7942938 has 24 divisors (see below), whose sum is σ = 16343712. Its totient is φ = 2573424.

The previous prime is 7942919. The next prime is 7942967. The reversal of 7942938 is 8392497.

7942938 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7942938.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7731 + ... + 8697.

It is an arithmetic number, because the mean of its divisors is an integer number (680988).

Almost surely, 2^7942938 is an apocalyptic number.

7942938 is an abundant number, since it is smaller than the sum of its proper divisors (8400774).

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

7942938 is a wasteful number, since it uses less digits than its factorization.

7942938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1009 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 7942938 is about 2818.3218410962. The cubic root of 7942938 is about 199.5233482513.

The spelling of 7942938 in words is "seven million, nine hundred forty-two thousand, nine hundred thirty-eight".