264826869 has 16 divisors (see below), whose sum is σ = 371476800. Its totient is φ = 167570816.

The previous prime is 264826841. The next prime is 264826879. The reversal of 264826869 is 968628462.

It is not a de Polignac number, because 264826869 - 2²¹ = 262729717 is a prime.

It is a super-2 number, since 2×264826869² = 140266541088686322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264826879) 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, 20664 + ... + 30929.

It is an arithmetic number, because the mean of its divisors is an integer number (23217300).

Almost surely, 2^264826869 is an apocalyptic number.

264826869 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

264826869 is a deficient number, since it is larger than the sum of its proper divisors (106649931).

264826869 is a wasteful number, since it uses less digits than its factorization.

264826869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51684.

The product of its digits is 1990656, while the sum is 51.

The square root of 264826869 is about 16273.5020508801. The cubic root of 264826869 is about 642.1759181541.

The spelling of 264826869 in words is "two hundred sixty-four million, eight hundred twenty-six thousand, eight hundred sixty-nine".