7930939 has 4 divisors (see below), whose sum is σ = 8039656. Its totient is φ = 7822224.

The previous prime is 7930933. The next prime is 7930943. The reversal of 7930939 is 9390397.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7930939 - 2⁵ = 7930907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7930933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54249 + ... + 54394.

It is an arithmetic number, because the mean of its divisors is an integer number (2009914).

Almost surely, 2^7930939 is an apocalyptic number.

7930939 is a deficient number, since it is larger than the sum of its proper divisors (108717).

7930939 is a wasteful number, since it uses less digits than its factorization.

7930939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108716.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 7930939 is about 2816.1922874690. The cubic root of 7930939 is about 199.4228276292.

The spelling of 7930939 in words is "seven million, nine hundred thirty thousand, nine hundred thirty-nine".