91696444 has 36 divisors (see below), whose sum is σ = 187220376. Its totient is φ = 39182304.

The previous prime is 91696441. The next prime is 91696447. The reversal of 91696444 is 44469619.

It is an interprime number because it is at equal distance from previous prime (91696441) and next prime (91696447).

It is a self number, because there is not a number n which added to its sum of digits gives 91696444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91696441) 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, 114654 + ... + 115450.

It is an arithmetic number, because the mean of its divisors is an integer number (5200566).

Almost surely, 2^91696444 is an apocalyptic number.

It is an amenable number.

91696444 is an abundant number, since it is smaller than the sum of its proper divisors (95523932).

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

91696444 is a wasteful number, since it uses less digits than its factorization.

91696444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1393 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 91696444 is about 9575.8260218114. The cubic root of 91696444 is about 450.9386891154.

The spelling of 91696444 in words is "ninety-one million, six hundred ninety-six thousand, four hundred forty-four".