44679391 has 2 divisors, whose sum is σ = 44679392. Its totient is φ = 44679390.

The previous prime is 44679361. The next prime is 44679413. The reversal of 44679391 is 19397644.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44679391 - 2⁵ = 44679359 is a prime.

It is equal to p_2699944 and since 44679391 and 2699944 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44679301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22339695 + 22339696.

It is an arithmetic number, because the mean of its divisors is an integer number (22339696).

Almost surely, 2^44679391 is an apocalyptic number.

44679391 is the 4228-th centered pentagonal number.

44679391 is a deficient number, since it is larger than the sum of its proper divisors (1).

44679391 is an equidigital number, since it uses as much as digits as its factorization.

44679391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 44679391 is about 6684.2644322319. The cubic root of 44679391 is about 354.8425963567.

The spelling of 44679391 in words is "forty-four million, six hundred seventy-nine thousand, three hundred ninety-one".