91960912 has 40 divisors (see below), whose sum is σ = 188286560. Its totient is φ = 43390080.

The previous prime is 91960907. The next prime is 91960933. The reversal of 91960912 is 21906919.

It is a super-3 number, since 3×91960912³ (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 in 7 ways as a sum of consecutive naturals, for example, 112987 + ... + 113797.

It is an arithmetic number, because the mean of its divisors is an integer number (4707164).

Almost surely, 2^91960912 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 91960912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94143280).

91960912 is an abundant number, since it is smaller than the sum of its proper divisors (96325648).

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

91960912 is a wasteful number, since it uses less digits than its factorization.

91960912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 91960912 is about 9589.6252272964. The cubic root of 91960912 is about 451.3718007214.

The spelling of 91960912 in words is "ninety-one million, nine hundred sixty thousand, nine hundred twelve".