44891965 has 16 divisors (see below), whose sum is σ = 56877120. Its totient is φ = 33920640.

The previous prime is 44891953. The next prime is 44891983. The reversal of 44891965 is 56919844.

It is a happy number.

It is not a de Polignac number, because 44891965 - 2⁵ = 44891933 is a prime.

It is a super-2 number, since 2×44891965² = 4030577043122450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49042 + ... + 49948.

It is an arithmetic number, because the mean of its divisors is an integer number (3554820).

Almost surely, 2^44891965 is an apocalyptic number.

It is an amenable number.

44891965 is a deficient number, since it is larger than the sum of its proper divisors (11985155).

44891965 is a wasteful number, since it uses less digits than its factorization.

44891965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 311040, while the sum is 46.

The square root of 44891965 is about 6700.1466401863. The cubic root of 44891965 is about 355.4044586759.

The spelling of 44891965 in words is "forty-four million, eight hundred ninety-one thousand, nine hundred sixty-five".