91904796 has 36 divisors (see below), whose sum is σ = 236128984. Its totient is φ = 30132000.

The previous prime is 91904783. The next prime is 91904797. The reversal of 91904796 is 69740919.

91904796 is a `hidden beast` number, since 91 + 90 + 479 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91904797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18730 + ... + 23121.

Almost surely, 2^91904796 is an apocalyptic number.

It is an amenable number.

91904796 is an abundant number, since it is smaller than the sum of its proper divisors (144224188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91904796 is a wasteful number, since it uses less digits than its factorization.

91904796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41922 (or 41917 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 91904796 is about 9586.6989104697. The cubic root of 91904796 is about 451.2799706411.

The spelling of 91904796 in words is "ninety-one million, nine hundred four thousand, seven hundred ninety-six".