944399983 has 2 divisors, whose sum is σ = 944399984. Its totient is φ = 944399982.

The previous prime is 944399977. The next prime is 944400001. The reversal of 944399983 is 389993449.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944399983 - 2¹⁷ = 944268911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944399483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472199991 + 472199992.

It is an arithmetic number, because the mean of its divisors is an integer number (472199992).

Almost surely, 2^944399983 is an apocalyptic number.

944399983 is a deficient number, since it is larger than the sum of its proper divisors (1).

944399983 is an equidigital number, since it uses as much as digits as its factorization.

944399983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 58.

The square root of 944399983 is about 30731.0914710168. The cubic root of 944399983 is about 981.1121564494.

The spelling of 944399983 in words is "nine hundred forty-four million, three hundred ninety-nine thousand, nine hundred eighty-three".