7979944 has 24 divisors (see below), whose sum is σ = 17406090. Its totient is φ = 3419808.

The previous prime is 7979921. The next prime is 7979957. The reversal of 7979944 is 4499797.

It can be written as a sum of positive squares in only one way, i.e., 6563844 + 1416100 = 2562^2 + 1190^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9787 + ... + 10570.

Almost surely, 2^7979944 is an apocalyptic number.

It is an amenable number.

7979944 is an abundant number, since it is smaller than the sum of its proper divisors (9426146).

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

7979944 is a wasteful number, since it uses less digits than its factorization.

7979944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377 (or 20366 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 7979944 is about 2824.8794664552. The cubic root of 7979944 is about 199.8327268041.

The spelling of 7979944 in words is "seven million, nine hundred seventy-nine thousand, nine hundred forty-four".