3992864 has 12 divisors (see below), whose sum is σ = 7861014. Its totient is φ = 1996416.

The previous prime is 3992843. The next prime is 3992873. The reversal of 3992864 is 4682993.

It is a happy number.

3992864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 824464 = 1780^2 + 908^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62357 + ... + 62420.

Almost surely, 2^3992864 is an apocalyptic number.

It is an amenable number.

3992864 is a deficient number, since it is larger than the sum of its proper divisors (3868150).

3992864 is a wasteful number, since it uses less digits than its factorization.

3992864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124787 (or 124779 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 3992864 is about 1998.2152036255. The cubic root of 3992864 is about 158.6456515569.

The spelling of 3992864 in words is "three million, nine hundred ninety-two thousand, eight hundred sixty-four".