44163961 has 4 divisors (see below), whose sum is σ = 46488400. Its totient is φ = 41839524.

The previous prime is 44163941. The next prime is 44163971. The reversal of 44163961 is 16936144.

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 cyclic number.

It is not a de Polignac number, because 44163961 - 2¹⁵ = 44131193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44163941) 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, 1162191 + ... + 1162228.

It is an arithmetic number, because the mean of its divisors is an integer number (11622100).

Almost surely, 2^44163961 is an apocalyptic number.

It is an amenable number.

44163961 is a deficient number, since it is larger than the sum of its proper divisors (2324439).

44163961 is a wasteful number, since it uses less digits than its factorization.

44163961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324438.

The product of its digits is 15552, while the sum is 34.

The square root of 44163961 is about 6645.5971138792. The cubic root of 44163961 is about 353.4728046955.

The spelling of 44163961 in words is "forty-four million, one hundred sixty-three thousand, nine hundred sixty-one".