8645980 has 24 divisors (see below), whose sum is σ = 20750688. Its totient is φ = 2964288.

The previous prime is 8645971. The next prime is 8645981. The reversal of 8645980 is 895468.

8645980 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30739 + ... + 31018.

It is an arithmetic number, because the mean of its divisors is an integer number (864612).

Almost surely, 2^8645980 is an apocalyptic number.

It is an amenable number.

8645980 is an abundant number, since it is smaller than the sum of its proper divisors (12104708).

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

8645980 is a wasteful number, since it uses less digits than its factorization.

8645980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61773 (or 61771 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8645980 is about 2940.4047340460. The cubic root of 8645980 is about 205.2444436841.

The spelling of 8645980 in words is "eight million, six hundred forty-five thousand, nine hundred eighty".