916448839 has 2 divisors, whose sum is σ = 916448840. Its totient is φ = 916448838.

The previous prime is 916448737. The next prime is 916448843. The reversal of 916448839 is 938844619.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (938844619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 916448839 - 2²⁷ = 782231111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916448849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458224419 + 458224420.

It is an arithmetic number, because the mean of its divisors is an integer number (458224420).

Almost surely, 2^916448839 is an apocalyptic number.

916448839 is a deficient number, since it is larger than the sum of its proper divisors (1).

916448839 is an equidigital number, since it uses as much as digits as its factorization.

916448839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 916448839 is about 30272.9060217218. The cubic root of 916448839 is about 971.3358287810.

The spelling of 916448839 in words is "nine hundred sixteen million, four hundred forty-eight thousand, eight hundred thirty-nine".