8680564 has 6 divisors (see below), whose sum is σ = 15190994. Its totient is φ = 4340280.

The previous prime is 8680559. The next prime is 8680583. The reversal of 8680564 is 4650868.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 1227664 = 2730^2 + 1108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085067 + ... + 1085074.

Almost surely, 2^8680564 is an apocalyptic number.

It is an amenable number.

8680564 is a deficient number, since it is larger than the sum of its proper divisors (6510430).

8680564 is a wasteful number, since it uses less digits than its factorization.

8680564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170145 (or 2170143 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8680564 is about 2946.2796880133. The cubic root of 8680564 is about 205.5177395034.

The spelling of 8680564 in words is "eight million, six hundred eighty thousand, five hundred sixty-four".