44936639 has 8 divisors (see below), whose sum is σ = 50603520. Its totient is φ = 39533400.

The previous prime is 44936629. The next prime is 44936651. The reversal of 44936639 is 93663944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44936639 - 2¹² = 44932543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44936639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44936609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65549 + ... + 66230.

It is an arithmetic number, because the mean of its divisors is an integer number (6325440).

Almost surely, 2^44936639 is an apocalyptic number.

44936639 is a deficient number, since it is larger than the sum of its proper divisors (5666881).

44936639 is a wasteful number, since it uses less digits than its factorization.

44936639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131821.

The product of its digits is 419904, while the sum is 44.

The square root of 44936639 is about 6703.4796188248. The cubic root of 44936639 is about 355.5223125423.

The spelling of 44936639 in words is "forty-four million, nine hundred thirty-six thousand, six hundred thirty-nine".