44431797 has 4 divisors (see below), whose sum is σ = 59242400. Its totient is φ = 29621196.

The previous prime is 44431753. The next prime is 44431801. The reversal of 44431797 is 79713444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-44431797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431097) 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, 7405297 + ... + 7405302.

It is an arithmetic number, because the mean of its divisors is an integer number (14810600).

Almost surely, 2^44431797 is an apocalyptic number.

It is an amenable number.

44431797 is a deficient number, since it is larger than the sum of its proper divisors (14810603).

44431797 is a wasteful number, since it uses less digits than its factorization.

44431797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14810602.

The product of its digits is 84672, while the sum is 39.

The square root of 44431797 is about 6665.7180408415. The cubic root of 44431797 is about 354.1859200852.

The spelling of 44431797 in words is "forty-four million, four hundred thirty-one thousand, seven hundred ninety-seven".