91983696 has 80 divisors (see below), whose sum is σ = 280363008. Its totient is φ = 25430400.

The previous prime is 91983677. The next prime is 91983701. The reversal of 91983696 is 69638919.

It is a super-2 number, since 2×91983696² = 16922000659640832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001 + ... + 14831.

Almost surely, 2^91983696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91983696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140181504).

91983696 is an abundant number, since it is smaller than the sum of its proper divisors (188379312).

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

91983696 is a wasteful number, since it uses less digits than its factorization.

91983696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880 (or 8874 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 91983696 is about 9590.8131042159. The cubic root of 91983696 is about 451.4090745503.

The spelling of 91983696 in words is "ninety-one million, nine hundred eighty-three thousand, six hundred ninety-six".