938989680 has 40 divisors (see below), whose sum is σ = 2910868752. Its totient is φ = 250397184.

The previous prime is 938989673. The next prime is 938989691. The reversal of 938989680 is 86989839.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955989 + ... + 1956468.

Almost surely, 2^938989680 is an apocalyptic number.

It is an amenable number.

938989680 is an abundant number, since it is smaller than the sum of its proper divisors (1971879072).

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

938989680 is a wasteful number, since it uses less digits than its factorization.

938989680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912473 (or 3912467 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 938989680 is about 30642.9385013905. The cubic root of 938989680 is about 979.2350270748.

The spelling of 938989680 in words is "nine hundred thirty-eight million, nine hundred eighty-nine thousand, six hundred eighty".