264839065 has 8 divisors (see below), whose sum is σ = 317945088. Its totient is φ = 211779120.

The previous prime is 264839033. The next prime is 264839077. The reversal of 264839065 is 560938462.

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

It is not a de Polignac number, because 264839065 - 2⁵ = 264839033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734 + ... + 23176.

It is an arithmetic number, because the mean of its divisors is an integer number (39743136).

Almost surely, 2^264839065 is an apocalyptic number.

It is an amenable number.

264839065 is a deficient number, since it is larger than the sum of its proper divisors (53106023).

264839065 is a wasteful number, since it uses less digits than its factorization.

264839065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23039.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 264839065 is about 16273.8767661550. The cubic root of 264839065 is about 642.1857759873.

The spelling of 264839065 in words is "two hundred sixty-four million, eight hundred thirty-nine thousand, sixty-five".