8537864 has 16 divisors (see below), whose sum is σ = 16043820. Its totient is φ = 4259520.

The previous prime is 8537857. The next prime is 8537873. The reversal of 8537864 is 4687358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4656964 + 3880900 = 2158^2 + 1970^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034 + ... + 5774.

Almost surely, 2^8537864 is an apocalyptic number.

It is an amenable number.

8537864 is a deficient number, since it is larger than the sum of its proper divisors (7505956).

8537864 is a wasteful number, since it uses less digits than its factorization.

8537864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2356 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 8537864 is about 2921.9623543092. The cubic root of 8537864 is about 204.3853411209.

The spelling of 8537864 in words is "eight million, five hundred thirty-seven thousand, eight hundred sixty-four".