8980638 has 32 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 2839200.

The previous prime is 8980637. The next prime is 8980663. The reversal of 8980638 is 8360898.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8980638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9403 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 2^8980638 is an apocalyptic number.

8980638 is an abundant number, since it is smaller than the sum of its proper divisors (9930594).

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

8980638 is a wasteful number, since it uses less digits than its factorization.

8980638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 8980638 is about 2996.7712625424. The cubic root of 8980638 is about 207.8591100870.

The spelling of 8980638 in words is "eight million, nine hundred eighty thousand, six hundred thirty-eight".