43979472 has 30 divisors (see below), whose sum is σ = 123081842. Its totient is φ = 14659776.

The previous prime is 43979447. The next prime is 43979477. The reversal of 43979472 is 27497934.

It can be written as a sum of positive squares in only one way, i.e., 27625536 + 16353936 = 5256^2 + 4044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43979477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152563 + ... + 152850.

Almost surely, 2^43979472 is an apocalyptic number.

It is an amenable number.

43979472 is an abundant number, since it is smaller than the sum of its proper divisors (79102370).

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

43979472 is a wasteful number, since it uses less digits than its factorization.

43979472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305427 (or 305418 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 43979472 is about 6631.7020439703. The cubic root of 43979472 is about 352.9799227266.

The spelling of 43979472 in words is "forty-three million, nine hundred seventy-nine thousand, four hundred seventy-two".