44913917 has 4 divisors (see below), whose sum is σ = 46866720. Its totient is φ = 42961116.

The previous prime is 44913899. The next prime is 44913923. The reversal of 44913917 is 71931944.

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 44913917 - 2¹⁴ = 44897533 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 (44913977) 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, 976367 + ... + 976412.

It is an arithmetic number, because the mean of its divisors is an integer number (11716680).

Almost surely, 2^44913917 is an apocalyptic number.

It is an amenable number.

44913917 is a deficient number, since it is larger than the sum of its proper divisors (1952803).

44913917 is a wasteful number, since it uses less digits than its factorization.

44913917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952802.

The product of its digits is 27216, while the sum is 38.

The square root of 44913917 is about 6701.7846130714. The cubic root of 44913917 is about 355.4623797116.

The spelling of 44913917 in words is "forty-four million, nine hundred thirteen thousand, nine hundred seventeen".