43841972 has 6 divisors (see below), whose sum is σ = 76723458. Its totient is φ = 21920984.

The previous prime is 43841969. The next prime is 43841989. The reversal of 43841972 is 27914834.

It can be written as a sum of positive squares in only one way, i.e., 36893476 + 6948496 = 6074^2 + 2636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5480243 + ... + 5480250.

It is an arithmetic number, because the mean of its divisors is an integer number (12787243).

Almost surely, 2^43841972 is an apocalyptic number.

It is an amenable number.

43841972 is a deficient number, since it is larger than the sum of its proper divisors (32881486).

43841972 is a wasteful number, since it uses less digits than its factorization.

43841972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960497 (or 10960495 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 43841972 is about 6621.3270573202. The cubic root of 43841972 is about 352.6116796515.

The spelling of 43841972 in words is "forty-three million, eight hundred forty-one thousand, nine hundred seventy-two".