8640696 has 32 divisors (see below), whose sum is σ = 22012560. Its totient is φ = 2825472.

The previous prime is 8640691. The next prime is 8640701. The reversal of 8640696 is 6960468.

It is an interprime number because it is at equal distance from previous prime (8640691) and next prime (8640701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 4668.

Almost surely, 2^8640696 is an apocalyptic number.

It is an amenable number.

8640696 is an abundant number, since it is smaller than the sum of its proper divisors (13371864).

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

8640696 is a wasteful number, since it uses less digits than its factorization.

8640696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855 (or 6851 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8640696 is about 2939.5060809599. The cubic root of 8640696 is about 205.2026233758.

The spelling of 8640696 in words is "eight million, six hundred forty thousand, six hundred ninety-six".