44431897 has 16 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 39755520.

The previous prime is 44431889. The next prime is 44431903. The reversal of 44431897 is 79813444.

It is not a de Polignac number, because 44431897 - 2³ = 44431889 is a prime.

It is a Duffinian number.

Its product of digits (96768) is a multiple of the sum of its prime divisors (1536).

It is not an unprimeable number, because it can be changed into a prime (44431817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30379 + ... + 31807.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^44431897 is an apocalyptic number.

It is an amenable number.

44431897 is a deficient number, since it is larger than the sum of its proper divisors (4988903).

44431897 is a wasteful number, since it uses less digits than its factorization.

44431897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its digits is 96768, while the sum is 40.

The square root of 44431897 is about 6665.7255419046. The cubic root of 44431897 is about 354.1861858000.

The spelling of 44431897 in words is "forty-four million, four hundred thirty-one thousand, eight hundred ninety-seven".