3974 = 2 x 1987.
3974 = 302 + 312 + 322 + 332.
In its base 5 representation, 3974 has exactly three 1s and two 4s: 111344.
3974 has exactly nine distinct permutations that give primes: 3947, 4397, 4793, 4937, 4973, 7349, 9437, 9473, and 9743.
3974 Verveer is a main-belt asteroid discovered in 1982.
