It is a sphenic number, since it is the product of 3 distinct primes.
3215994 is an admirable number.
It is an unprimeable number.
Almost surely, 23215994 is an apocalyptic number.
3215994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3215994 is a wasteful number, since it uses less digits than its factorization.
3215994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536004.
The square root of 3215994 is about 1793.3192688420. The cubic root of 3215994 is about 147.6063620468.
The spelling of 3215994 in words is "three million, two hundred fifteen thousand, nine hundred ninety-four".