43979372 has 6 divisors (see below), whose sum is σ = 76963908. Its totient is φ = 21989684.

The previous prime is 43979371. The next prime is 43979389. The reversal of 43979372 is 27397934.

43979372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43979371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5497418 + ... + 5497425.

It is an arithmetic number, because the mean of its divisors is an integer number (12827318).

Almost surely, 2^43979372 is an apocalyptic number.

It is an amenable number.

43979372 is a deficient number, since it is larger than the sum of its proper divisors (32984536).

43979372 is a wasteful number, since it uses less digits than its factorization.

43979372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994847 (or 10994845 counting only the distinct ones).

The product of its digits is 285768, while the sum is 44.

The square root of 43979372 is about 6631.6945044234. The cubic root of 43979372 is about 352.9796551926.

The spelling of 43979372 in words is "forty-three million, nine hundred seventy-nine thousand, three hundred seventy-two".