44688393 has 12 divisors (see below), whose sum is σ = 68347188. Its totient is φ = 28039680.

The previous prime is 44688383. The next prime is 44688407. The reversal of 44688393 is 39388644.

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 29030544 = 3957^2 + 5388^2 .

It is not a de Polignac number, because 44688393 - 2⁴ = 44688377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44688353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145888 + ... + 146193.

It is an arithmetic number, because the mean of its divisors is an integer number (5695599).

Almost surely, 2^44688393 is an apocalyptic number.

It is an amenable number.

44688393 is a deficient number, since it is larger than the sum of its proper divisors (23658795).

44688393 is a wasteful number, since it uses less digits than its factorization.

44688393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292104 (or 292101 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 44688393 is about 6684.9377708398. The cubic root of 44688393 is about 354.8664259754.

The spelling of 44688393 in words is "forty-four million, six hundred eighty-eight thousand, three hundred ninety-three".