916394272 has 24 divisors (see below), whose sum is σ = 1808345196. Its totient is φ = 457132032.

The previous prime is 916394257. The next prime is 916394279. The reversal of 916394272 is 272493619.

It can be written as a sum of positive squares in 2 ways, for example, as 914215696 + 2178576 = 30236^2 + 1476^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (916394279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19213 + ... + 46924.

Almost surely, 2^916394272 is an apocalyptic number.

It is an amenable number.

916394272 is a deficient number, since it is larger than the sum of its proper divisors (891950924).

916394272 is a wasteful number, since it uses less digits than its factorization.

916394272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66580 (or 66572 counting only the distinct ones).

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

The square root of 916394272 is about 30272.0047568707. The cubic root of 916394272 is about 971.3165500419.

The spelling of 916394272 in words is "nine hundred sixteen million, three hundred ninety-four thousand, two hundred seventy-two".