264907385 has 8 divisors (see below), whose sum is σ = 318021000. Its totient is φ = 211837824.

The previous prime is 264907351. The next prime is 264907393. The reversal of 264907385 is 583709462.

It can be written as a sum of positive squares in 4 ways, for example, as 8779369 + 256128016 = 2963^2 + 16004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264907385 - 2⁸ = 264907129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109 + ... + 23381.

It is an arithmetic number, because the mean of its divisors is an integer number (39752625).

Almost surely, 2^264907385 is an apocalyptic number.

It is an amenable number.

264907385 is a deficient number, since it is larger than the sum of its proper divisors (53113615).

264907385 is a wasteful number, since it uses less digits than its factorization.

264907385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22027.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 264907385 is about 16275.9757003997. The cubic root of 264907385 is about 642.2409923631.

The spelling of 264907385 in words is "two hundred sixty-four million, nine hundred seven thousand, three hundred eighty-five".