44399791 has 2 divisors, whose sum is σ = 44399792. Its totient is φ = 44399790.

The previous prime is 44399777. The next prime is 44399807. The reversal of 44399791 is 19799344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44399791 - 2⁹ = 44399279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44399711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199895 + 22199896.

It is an arithmetic number, because the mean of its divisors is an integer number (22199896).

Almost surely, 2^44399791 is an apocalyptic number.

44399791 is a deficient number, since it is larger than the sum of its proper divisors (1).

44399791 is an equidigital number, since it uses as much as digits as its factorization.

44399791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 44399791 is about 6663.3168167212. The cubic root of 44399791 is about 354.1008548965.

The spelling of 44399791 in words is "forty-four million, three hundred ninety-nine thousand, seven hundred ninety-one".