91004296 has 16 divisors (see below), whose sum is σ = 170772300. Its totient is φ = 45465024.

The previous prime is 91004279. The next prime is 91004323. The reversal of 91004296 is 69240019.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89984196 + 1020100 = 9486^2 + 1010^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 7710 + ... + 15538.

Almost surely, 2^91004296 is an apocalyptic number.

It is an amenable number.

91004296 is a deficient number, since it is larger than the sum of its proper divisors (79768004).

91004296 is a wasteful number, since it uses less digits than its factorization.

91004296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288 (or 9284 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 91004296 is about 9539.6171830949. The cubic root of 91004296 is about 449.8012224954.

The spelling of 91004296 in words is "ninety-one million, four thousand, two hundred ninety-six".