8397660 has 48 divisors (see below), whose sum is σ = 24899616. Its totient is φ = 2107392.

The previous prime is 8397629. The next prime is 8397709. The reversal of 8397660 is 667938.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3097 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (518742).

Almost surely, 2^8397660 is an apocalyptic number.

It is an amenable number.

8397660 is an abundant number, since it is smaller than the sum of its proper divisors (16501956).

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

8397660 is a wasteful number, since it uses less digits than its factorization.

8397660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 8397660 is about 2897.8716327677. The cubic root of 8397660 is about 203.2603936776.

The spelling of 8397660 in words is "eight million, three hundred ninety-seven thousand, six hundred sixty".