938876640 has 192 divisors, whose sum is σ = 3353011200. Its totient is φ = 218916864.

The previous prime is 938876597. The next prime is 938876669. The reversal of 938876640 is 46678839.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114601 + ... + 122519.

It is an arithmetic number, because the mean of its divisors is an integer number (17463600).

Almost surely, 2^938876640 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 938876640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676505600).

938876640 is an abundant number, since it is smaller than the sum of its proper divisors (2414134560).

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

938876640 is a wasteful number, since it uses less digits than its factorization.

938876640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 938876640 is about 30641.0939752483. The cubic root of 938876640 is about 979.1957305231.

The spelling of 938876640 in words is "nine hundred thirty-eight million, eight hundred seventy-six thousand, six hundred forty".