8264564 has 24 divisors (see below), whose sum is σ = 18032448. Its totient is φ = 3219840.

The previous prime is 8264551. The next prime is 8264587. The reversal of 8264564 is 4654628.

It is a super-2 number, since 2×8264564² = 136606036220192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 13109 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (751352).

Almost surely, 2^8264564 is an apocalyptic number.

It is an amenable number.

8264564 is an abundant number, since it is smaller than the sum of its proper divisors (9767884).

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

8264564 is a wasteful number, since it uses less digits than its factorization.

8264564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26855 (or 26853 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 8264564 is about 2874.8154723391. The cubic root of 8264564 is about 202.1808333942.

It can be divided in two parts, 82 and 64564, that added together give a palindrome (64646).

The spelling of 8264564 in words is "eight million, two hundred sixty-four thousand, five hundred sixty-four".