43849172 has 12 divisors (see below), whose sum is σ = 78607956. Its totient is φ = 21389760.

The previous prime is 43849147. The next prime is 43849177. The reversal of 43849172 is 27194834.

43849172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 35473936 = 2894^2 + 5956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43849177) 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 3 ways as a sum of consecutive naturals, for example, 133523 + ... + 133850.

It is an arithmetic number, because the mean of its divisors is an integer number (6550663).

Almost surely, 2^43849172 is an apocalyptic number.

It is an amenable number.

43849172 is a deficient number, since it is larger than the sum of its proper divisors (34758784).

43849172 is a wasteful number, since it uses less digits than its factorization.

43849172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267418 (or 267416 counting only the distinct ones).

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

The square root of 43849172 is about 6621.8707326555. The cubic root of 43849172 is about 352.6309812858.

The spelling of 43849172 in words is "forty-three million, eight hundred forty-nine thousand, one hundred seventy-two".