3993900 has 36 divisors (see below), whose sum is σ = 11556552. Its totient is φ = 1064960.

The previous prime is 3993893. The next prime is 3993901. The reversal of 3993900 is 93993.

It is not an unprimeable number, because it can be changed into a prime (3993901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6357 + ... + 6956.

Almost surely, 2^3993900 is an apocalyptic number.

3993900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3993900 is an abundant number, since it is smaller than the sum of its proper divisors (7562652).

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

3993900 is a wasteful number, since it uses less digits than its factorization.

3993900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330 (or 13323 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 33.

The square root of 3993900 is about 1998.4744181500. The cubic root of 3993900 is about 158.6593712563.

It can be divided in two parts, 39 and 93900, that added together give a palindrome (93939).

The spelling of 3993900 in words is "three million, nine hundred ninety-three thousand, nine hundred".