264506889 has 16 divisors (see below), whose sum is σ = 364269312. Its totient is φ = 170618448.

The previous prime is 264506863. The next prime is 264506903. The reversal of 264506889 is 988605462.

It is a happy number.

It is not a de Polignac number, because 264506889 - 2⁷ = 264506761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264506089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4222 + ... + 23384.

It is an arithmetic number, because the mean of its divisors is an integer number (22766832).

Almost surely, 2^264506889 is an apocalyptic number.

It is an amenable number.

264506889 is a deficient number, since it is larger than the sum of its proper divisors (99762423).

264506889 is a wasteful number, since it uses less digits than its factorization.

264506889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19316.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 264506889 is about 16263.6677597644. The cubic root of 264506889 is about 641.9171751926.

The spelling of 264506889 in words is "two hundred sixty-four million, five hundred six thousand, eight hundred eighty-nine".