264889004 has 18 divisors (see below), whose sum is σ = 465728340. Its totient is φ = 131826352.

The previous prime is 264889003. The next prime is 264889007. The reversal of 264889004 is 400988462.

264889004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×264889004² = 140332368880224032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264889003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401627 + ... + 402285.

Almost surely, 2^264889004 is an apocalyptic number.

It is an amenable number.

264889004 is a deficient number, since it is larger than the sum of its proper divisors (200839336).

264889004 is an equidigital number, since it uses as much as digits as its factorization.

264889004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 264889004 is about 16275.4110239957. The cubic root of 264889004 is about 642.2261377317.

The spelling of 264889004 in words is "two hundred sixty-four million, eight hundred eighty-nine thousand, four".