8668620 has 60 divisors (see below), whose sum is σ = 27198864. Its totient is φ = 2311200.

The previous prime is 8668613. The next prime is 8668637. The reversal of 8668620 is 268668.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1056 + ... + 4295.

Almost surely, 2^8668620 is an apocalyptic number.

It is an amenable number.

8668620 is an abundant number, since it is smaller than the sum of its proper divisors (18530244).

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

8668620 is a wasteful number, since it uses less digits than its factorization.

8668620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5361 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8668620 is about 2944.2520272558. The cubic root of 8668620 is about 205.4234357005.

The spelling of 8668620 in words is "eight million, six hundred sixty-eight thousand, six hundred twenty".