8634980 has 48 divisors (see below), whose sum is σ = 19459440. Its totient is φ = 3207168.

The previous prime is 8634971. The next prime is 8635021. The reversal of 8634980 is 894368.

It can be written as a sum of positive squares in 8 ways, for example, as 3136 + 8631844 = 56^2 + 2938^2 .

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, 36944 + ... + 37176.

It is an arithmetic number, because the mean of its divisors is an integer number (405405).

Almost surely, 2^8634980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8634980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9729720).

8634980 is an abundant number, since it is smaller than the sum of its proper divisors (10824460).

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

8634980 is a wasteful number, since it uses less digits than its factorization.

8634980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8634980 is about 2938.5336479271. The cubic root of 8634980 is about 205.1573647943.

The spelling of 8634980 in words is "eight million, six hundred thirty-four thousand, nine hundred eighty".