44938521 has 12 divisors (see below), whose sum is σ = 64974000. Its totient is φ = 29930040.

The previous prime is 44938511. The next prime is 44938559. The reversal of 44938521 is 12583944.

44938521 is a `hidden beast` number, since 44 + 93 + 8 + 521 = 666.

It is not a de Polignac number, because 44938521 - 2⁷ = 44938393 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44938511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11826 + ... + 15156.

It is an arithmetic number, because the mean of its divisors is an integer number (5414500).

Almost surely, 2^44938521 is an apocalyptic number.

It is an amenable number.

44938521 is a deficient number, since it is larger than the sum of its proper divisors (20035479).

44938521 is a wasteful number, since it uses less digits than its factorization.

44938521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4833 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 44938521 is about 6703.6199922132. The cubic root of 44938521 is about 355.5272757058.

The spelling of 44938521 in words is "forty-four million, nine hundred thirty-eight thousand, five hundred twenty-one".