7979538 has 16 divisors (see below), whose sum is σ = 18239040. Its totient is φ = 2279856.

The previous prime is 7979533. The next prime is 7979549. The reversal of 7979538 is 8359797.

It is not an unprimeable number, because it can be changed into a prime (7979533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94953 + ... + 95036.

It is an arithmetic number, because the mean of its divisors is an integer number (1139940).

Almost surely, 2^7979538 is an apocalyptic number.

7979538 is an abundant number, since it is smaller than the sum of its proper divisors (10259502).

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

7979538 is a wasteful number, since it uses less digits than its factorization.

7979538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190001.

The product of its digits is 476280, while the sum is 48.

The square root of 7979538 is about 2824.8076040679. The cubic root of 7979538 is about 199.8293377467.

The spelling of 7979538 in words is "seven million, nine hundred seventy-nine thousand, five hundred thirty-eight".