939893942 has 16 divisors (see below), whose sum is σ = 1584303840. Its totient is φ = 414936192.

The previous prime is 939893923. The next prime is 939893959. The reversal of 939893942 is 249398939.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785267 + ... + 786462.

It is an arithmetic number, because the mean of its divisors is an integer number (99018990).

Almost surely, 2^939893942 is an apocalyptic number.

939893942 is a deficient number, since it is larger than the sum of its proper divisors (644409898).

939893942 is a wasteful number, since it uses less digits than its factorization.

939893942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571767.

The product of its digits is 3779136, while the sum is 56.

The square root of 939893942 is about 30657.6897694526. The cubic root of 939893942 is about 979.5492658606.

The spelling of 939893942 in words is "nine hundred thirty-nine million, eight hundred ninety-three thousand, nine hundred forty-two".