864402004 has 24 divisors (see below), whose sum is σ = 1546731648. Its totient is φ = 422500800.

The previous prime is 864402001. The next prime is 864402013. The reversal of 864402004 is 400204468.

864402004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864402001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191979 + ... + 196429.

It is an arithmetic number, because the mean of its divisors is an integer number (64447152).

Almost surely, 2^864402004 is an apocalyptic number.

It is an amenable number.

864402004 is a deficient number, since it is larger than the sum of its proper divisors (682329644).

864402004 is a wasteful number, since it uses less digits than its factorization.

864402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 864402004 is about 29400.7143450631. The cubic root of 864402004 is about 952.5883262332.

The spelling of 864402004 in words is "eight hundred sixty-four million, four hundred two thousand, four".