3993432 has 16 divisors (see below), whose sum is σ = 9983640. Its totient is φ = 1331136.

The previous prime is 3993427. The next prime is 3993443. The reversal of 3993432 is 2343993.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3993393 and 3993402.

It is a congruent 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, 83173 + ... + 83220.

Almost surely, 2^3993432 is an apocalyptic number.

It is an amenable number.

3993432 is an abundant number, since it is smaller than the sum of its proper divisors (5990208).

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

3993432 is a wasteful number, since it uses less digits than its factorization.

3993432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166402 (or 166398 counting only the distinct ones).

The product of its digits is 17496, while the sum is 33.

The square root of 3993432 is about 1998.3573254050. The cubic root of 3993432 is about 158.6531738481.

The spelling of 3993432 in words is "three million, nine hundred ninety-three thousand, four hundred thirty-two".