91690796 has 12 divisors (see below), whose sum is σ = 163873248. Its totient is φ = 44869872.

The previous prime is 91690793. The next prime is 91690817. The reversal of 91690796 is 69709619.

It is a happy number.

It is a super-2 number, since 2×91690796² = 16814404142227232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 91690796.

It is not an unprimeable number, because it can be changed into a prime (91690793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243671 + ... + 244046.

It is an arithmetic number, because the mean of its divisors is an integer number (13656104).

Almost surely, 2^91690796 is an apocalyptic number.

It is an amenable number.

91690796 is a deficient number, since it is larger than the sum of its proper divisors (72182452).

91690796 is a wasteful number, since it uses less digits than its factorization.

91690796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487768 (or 487766 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 91690796 is about 9575.5311079856. The cubic root of 91690796 is about 450.9294304720.

The spelling of 91690796 in words is "ninety-one million, six hundred ninety thousand, seven hundred ninety-six".