44168397 has 64 divisors (see below), whose sum is σ = 79478784. Its totient is φ = 21150720.

The previous prime is 44168323. The next prime is 44168401. The reversal of 44168397 is 79386144.

It is not a de Polignac number, because 44168397 - 2¹⁹ = 43644109 is a prime.

Its product of digits (145152) is a multiple of the sum of its prime divisors (378).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44168797) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143718 + ... + 144024.

It is an arithmetic number, because the mean of its divisors is an integer number (1241856).

Almost surely, 2^44168397 is an apocalyptic number.

It is an amenable number.

44168397 is a deficient number, since it is larger than the sum of its proper divisors (35310387).

44168397 is a wasteful number, since it uses less digits than its factorization.

44168397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its digits is 145152, while the sum is 42.

The square root of 44168397 is about 6645.9308603084. The cubic root of 44168397 is about 353.4846390270.

The spelling of 44168397 in words is "forty-four million, one hundred sixty-eight thousand, three hundred ninety-seven".