939132990 has 24 divisors (see below), whose sum is σ = 2441746008. Its totient is φ = 250435440.

The previous prime is 939132973. The next prime is 939133021. The reversal of 939132990 is 99231939.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5217316 + ... + 5217495.

It is an arithmetic number, because the mean of its divisors is an integer number (101739417).

Almost surely, 2^939132990 is an apocalyptic number.

939132990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

939132990 is an abundant number, since it is smaller than the sum of its proper divisors (1502613018).

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

939132990 is a wasteful number, since it uses less digits than its factorization.

939132990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434824 (or 10434821 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 939132990 is about 30645.2767975752. The cubic root of 939132990 is about 979.2848419755.

The spelling of 939132990 in words is "nine hundred thirty-nine million, one hundred thirty-two thousand, nine hundred ninety".