44397 has 6 divisors (see below), whose sum is σ = 64142. Its totient is φ = 29592.

The previous prime is 44389. The next prime is 44417. The reversal of 44397 is 79344.

It can be written as a sum of positive squares in only one way, i.e., 34596 + 9801 = 186^2 + 99^2 .

It is not a de Polignac number, because 44397 - 2³ = 44389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2458 + ... + 2475.

2⁴⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

44397 is a deficient number, since it is larger than the sum of its proper divisors (19745).

44397 is a wasteful number, since it uses less digits than its factorization.

44397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4936 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 44397 is about 210.7059562518. The cubic root of 44397 is about 35.4093435070.

It can be divided in two parts, 44 and 397, that added together give a square (441 = 21²).

The spelling of 44397 in words is "forty-four thousand, three hundred ninety-seven".