8660920 has 16 divisors (see below), whose sum is σ = 19487160. Its totient is φ = 3464352.

The previous prime is 8660909. The next prime is 8660921. The reversal of 8660920 is 290668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108222 + ... + 108301.

Almost surely, 2^8660920 is an apocalyptic number.

It is an amenable number.

8660920 is an abundant number, since it is smaller than the sum of its proper divisors (10826240).

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

8660920 is a wasteful number, since it uses less digits than its factorization.

8660920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216534 (or 216530 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8660920 is about 2942.9441041243. The cubic root of 8660920 is about 205.3625944506.

The spelling of 8660920 in words is "eight million, six hundred sixty thousand, nine hundred twenty".