44331993 has 12 divisors (see below), whose sum is σ = 64117248. Its totient is φ = 29516760.

The previous prime is 44331983. The next prime is 44332019. The reversal of 44331993 is 39913344.

It is not a de Polignac number, because 44331993 - 2⁵ = 44331961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44331943) 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, 5496 + ... + 10902.

It is an arithmetic number, because the mean of its divisors is an integer number (5343104).

Almost surely, 2^44331993 is an apocalyptic number.

It is an amenable number.

44331993 is a deficient number, since it is larger than the sum of its proper divisors (19785255).

44331993 is a wasteful number, since it uses less digits than its factorization.

44331993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324 (or 6321 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 44331993 is about 6658.2274668263. The cubic root of 44331993 is about 353.9205270222.

The spelling of 44331993 in words is "forty-four million, three hundred thirty-one thousand, nine hundred ninety-three".