8700660 has 36 divisors (see below), whose sum is σ = 26392548. Its totient is φ = 2320128.

The previous prime is 8700649. The next prime is 8700697. The reversal of 8700660 is 660078.

It can be written as a sum of positive squares in 2 ways, for example, as 5503716 + 3196944 = 2346^2 + 1788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23989 + ... + 24348.

Almost surely, 2^8700660 is an apocalyptic number.

It is an amenable number.

8700660 is an abundant number, since it is smaller than the sum of its proper divisors (17691888).

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

8700660 is a wasteful number, since it uses less digits than its factorization.

8700660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48352 (or 48347 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8700660 is about 2949.6881191068. The cubic root of 8700660 is about 205.6762123652.

The spelling of 8700660 in words is "eight million, seven hundred thousand, six hundred sixty".