44390172 has 12 divisors (see below), whose sum is σ = 103577096. Its totient is φ = 14796720.

The previous prime is 44390153. The next prime is 44390173. The reversal of 44390172 is 27109344.

It is a happy number.

44390172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44390173) 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, 1849579 + ... + 1849602.

Almost surely, 2^44390172 is an apocalyptic number.

It is an amenable number.

44390172 is an abundant number, since it is smaller than the sum of its proper divisors (59186924).

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

44390172 is a wasteful number, since it uses less digits than its factorization.

44390172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699188 (or 3699186 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 44390172 is about 6662.5949899420. The cubic root of 44390172 is about 354.0752816370.

The spelling of 44390172 in words is "forty-four million, three hundred ninety thousand, one hundred seventy-two".