8690664 has 32 divisors (see below), whose sum is σ = 22429440. Its totient is φ = 2803200.

The previous prime is 8690663. The next prime is 8690677. The reversal of 8690664 is 4660968.

It is not an unprimeable number, because it can be changed into a prime (8690663) 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, 5097 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (700920).

Almost surely, 2^8690664 is an apocalyptic number.

It is an amenable number.

8690664 is an abundant number, since it is smaller than the sum of its proper divisors (13738776).

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

8690664 is a wasteful number, since it uses less digits than its factorization.

8690664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721 (or 11717 counting only the distinct ones).

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

The square root of 8690664 is about 2947.9932157317. The cubic root of 8690664 is about 205.5974165320.

The spelling of 8690664 in words is "eight million, six hundred ninety thousand, six hundred sixty-four".