44398393 has 4 divisors (see below), whose sum is σ = 47813668. Its totient is φ = 40983120.

The previous prime is 44398357. The next prime is 44398397. The reversal of 44398393 is 39389344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28334329 + 16064064 = 5323^2 + 4008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44398393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44398397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707618 + ... + 1707643.

It is an arithmetic number, because the mean of its divisors is an integer number (11953417).

Almost surely, 2^44398393 is an apocalyptic number.

It is an amenable number.

44398393 is a deficient number, since it is larger than the sum of its proper divisors (3415275).

44398393 is a wasteful number, since it uses less digits than its factorization.

44398393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415274.

The product of its digits is 279936, while the sum is 43.

The square root of 44398393 is about 6663.2119131842. The cubic root of 44398393 is about 354.0971383760.

The spelling of 44398393 in words is "forty-four million, three hundred ninety-eight thousand, three hundred ninety-three".