43979589 has 12 divisors (see below), whose sum is σ = 63603072. Its totient is φ = 29284200.

The previous prime is 43979563. The next prime is 43979599. The reversal of 43979589 is 98597934.

43979589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43979589 - 2⁵ = 43979557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43979549) 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 in 11 ways as a sum of consecutive naturals, for example, 6454 + ... + 11384.

It is an arithmetic number, because the mean of its divisors is an integer number (5300256).

Almost surely, 2^43979589 is an apocalyptic number.

It is an amenable number.

43979589 is a deficient number, since it is larger than the sum of its proper divisors (19623483).

43979589 is a wasteful number, since it uses less digits than its factorization.

43979589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928 (or 5925 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 43979589 is about 6631.7108652293. The cubic root of 43979589 is about 352.9802357410.

The spelling of 43979589 in words is "forty-three million, nine hundred seventy-nine thousand, five hundred eighty-nine".