8684980 has 12 divisors (see below), whose sum is σ = 18238500. Its totient is φ = 3473984.

The previous prime is 8684959. The next prime is 8684981. The reversal of 8684980 is 894868.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 3640464 = 2246^2 + 1908^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684981) 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, 217105 + ... + 217144.

It is an arithmetic number, because the mean of its divisors is an integer number (1519875).

Almost surely, 2^8684980 is an apocalyptic number.

It is an amenable number.

8684980 is an abundant number, since it is smaller than the sum of its proper divisors (9553520).

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

8684980 is a wasteful number, since it uses less digits than its factorization.

8684980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434258 (or 434256 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 8684980 is about 2947.0290124123. The cubic root of 8684980 is about 205.5525841088.

The spelling of 8684980 in words is "eight million, six hundred eighty-four thousand, nine hundred eighty".