91964792 has 8 divisors (see below), whose sum is σ = 172434000. Its totient is φ = 45982392.

The previous prime is 91964783. The next prime is 91964813. The reversal of 91964792 is 29746919.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×91964792³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747792 + ... + 5747807.

It is an arithmetic number, because the mean of its divisors is an integer number (21554250).

Almost surely, 2^91964792 is an apocalyptic number.

It is an amenable number.

91964792 is a deficient number, since it is larger than the sum of its proper divisors (80469208).

91964792 is a wasteful number, since it uses less digits than its factorization.

91964792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495605 (or 11495601 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 91964792 is about 9589.8275271248. The cubic root of 91964792 is about 451.3781487009.

The spelling of 91964792 in words is "ninety-one million, nine hundred sixty-four thousand, seven hundred ninety-two".