44113993 has 8 divisors (see below), whose sum is σ = 54999360. Its totient is φ = 34374480.

The previous prime is 44113987. The next prime is 44113999. The reversal of 44113993 is 39931144.

It is an interprime number because it is at equal distance from previous prime (44113987) and next prime (44113999).

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

It is not a de Polignac number, because 44113993 - 2¹⁷ = 43982921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44113999) 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, 286378 + ... + 286531.

It is an arithmetic number, because the mean of its divisors is an integer number (6874920).

Almost surely, 2^44113993 is an apocalyptic number.

It is an amenable number.

44113993 is a deficient number, since it is larger than the sum of its proper divisors (10885367).

44113993 is a wasteful number, since it uses less digits than its factorization.

44113993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572927.

The product of its digits is 11664, while the sum is 34.

The square root of 44113993 is about 6641.8365682995. The cubic root of 44113993 is about 353.3394456243.

The spelling of 44113993 in words is "forty-four million, one hundred thirteen thousand, nine hundred ninety-three".