264689970 has 32 divisors (see below), whose sum is σ = 643963392. Its totient is φ = 69616512.

The previous prime is 264689959. The next prime is 264690029. The reversal of 264689970 is 79986462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58242 + ... + 62621.

It is an arithmetic number, because the mean of its divisors is an integer number (20123856).

Almost surely, 2^264689970 is an apocalyptic number.

264689970 is an abundant number, since it is smaller than the sum of its proper divisors (379273422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264689970 is a wasteful number, since it uses less digits than its factorization.

264689970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120946.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 264689970 is about 16269.2953135654. The cubic root of 264689970 is about 642.0652440947.

The spelling of 264689970 in words is "two hundred sixty-four million, six hundred eighty-nine thousand, nine hundred seventy".