4004864 has 22 divisors (see below), whose sum is σ = 8007864. Its totient is φ = 2001920.

The previous prime is 4004851. The next prime is 4004867. The reversal of 4004864 is 4684004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932 + ... + 2979.

Almost surely, 2^4004864 is an apocalyptic number.

It is an amenable number.

4004864 is a deficient number, since it is larger than the sum of its proper divisors (4003000).

4004864 is an equidigital number, since it uses as much as digits as its factorization.

4004864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4004864 is about 2001.2156305606. The cubic root of 4004864 is about 158.8044217902.

Adding to 4004864 its reverse (4684004), we get a palindrome (8688868).

The spelling of 4004864 in words is "four million, four thousand, eight hundred sixty-four".