7939916 has 6 divisors (see below), whose sum is σ = 13894860. Its totient is φ = 3969956.

The previous prime is 7939909. The next prime is 7939931. The reversal of 7939916 is 6199397.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992486 + ... + 992493.

It is an arithmetic number, because the mean of its divisors is an integer number (2315810).

Almost surely, 2^7939916 is an apocalyptic number.

It is an amenable number.

7939916 is a deficient number, since it is larger than the sum of its proper divisors (5954944).

7939916 is a wasteful number, since it uses less digits than its factorization.

7939916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984983 (or 1984981 counting only the distinct ones).

The product of its digits is 91854, while the sum is 44.

The square root of 7939916 is about 2817.7856554394. The cubic root of 7939916 is about 199.4980412410.

The spelling of 7939916 in words is "seven million, nine hundred thirty-nine thousand, nine hundred sixteen".