3994528 has 24 divisors (see below), whose sum is σ = 8049888. Its totient is φ = 1950144.

The previous prime is 3994513. The next prime is 3994537. The reversal of 3994528 is 8254993.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (335412).

Almost surely, 2^3994528 is an apocalyptic number.

It is an amenable number.

3994528 is an abundant number, since it is smaller than the sum of its proper divisors (4055360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3994528 is a wasteful number, since it uses less digits than its factorization.

3994528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2948 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 3994528 is about 1998.6315318237. The cubic root of 3994528 is about 158.6676866760.

The spelling of 3994528 in words is "three million, nine hundred ninety-four thousand, five hundred twenty-eight".