3993456 has 40 divisors (see below), whose sum is σ = 10388224. Its totient is φ = 1321920.

The previous prime is 3993443. The next prime is 3993469. The reversal of 3993456 is 6543993.

It is an interprime number because it is at equal distance from previous prime (3993443) and next prime (3993469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12855 + ... + 13161.

Almost surely, 2^3993456 is an apocalyptic number.

It is an amenable number.

3993456 is an abundant number, since it is smaller than the sum of its proper divisors (6394768).

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

3993456 is a wasteful number, since it uses less digits than its factorization.

3993456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 583 counting only the distinct ones).

The product of its digits is 87480, while the sum is 39.

The square root of 3993456 is about 1998.3633303281. The cubic root of 3993456 is about 158.6534916757.

The spelling of 3993456 in words is "three million, nine hundred ninety-three thousand, four hundred fifty-six".