44939897 has 4 divisors (see below), whose sum is σ = 45026676. Its totient is φ = 44853120.

The previous prime is 44939833. The next prime is 44939899. The reversal of 44939897 is 79893944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4541161 + 40398736 = 2131^2 + 6356^2 .

It is a cyclic number.

It is not a de Polignac number, because 44939897 - 2⁶ = 44939833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44939899) 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, 42608 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (11256669).

Almost surely, 2^44939897 is an apocalyptic number.

It is an amenable number.

44939897 is a deficient number, since it is larger than the sum of its proper divisors (86779).

44939897 is an equidigital number, since it uses as much as digits as its factorization.

44939897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86778.

The product of its digits is 1959552, while the sum is 53.

The square root of 44939897 is about 6703.7226225434. The cubic root of 44939897 is about 355.5309043709.

The spelling of 44939897 in words is "forty-four million, nine hundred thirty-nine thousand, eight hundred ninety-seven".