916448290 has 16 divisors (see below), whose sum is σ = 1656456120. Its totient is φ = 365057280.

The previous prime is 916448287. The next prime is 916448303. The reversal of 916448290 is 92844619.

It can be written as a sum of positive squares in 4 ways, for example, as 878588881 + 37859409 = 29641^2 + 6153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187725 + ... + 192544.

Almost surely, 2^916448290 is an apocalyptic number.

916448290 is a deficient number, since it is larger than the sum of its proper divisors (740007830).

916448290 is a wasteful number, since it uses less digits than its factorization.

916448290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380517.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 916448290 is about 30272.8969542064. The cubic root of 916448290 is about 971.3356348209.

The spelling of 916448290 in words is "nine hundred sixteen million, four hundred forty-eight thousand, two hundred ninety".