991304096 has 12 divisors (see below), whose sum is σ = 1951630002. Its totient is φ = 495652032.

The previous prime is 991304077. The next prime is 991304101. The reversal of 991304096 is 690403199.

It can be written as a sum of positive squares in only one way, i.e., 914215696 + 77088400 = 30236^2 + 8780^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15489095 + ... + 15489158.

Almost surely, 2^991304096 is an apocalyptic number.

It is an amenable number.

991304096 is a deficient number, since it is larger than the sum of its proper divisors (960325906).

991304096 is a wasteful number, since it uses less digits than its factorization.

991304096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30978263 (or 30978255 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 991304096 is about 31484.9820708223. The cubic root of 991304096 is about 997.0929224226.

The spelling of 991304096 in words is "nine hundred ninety-one million, three hundred four thousand, ninety-six".