91333376 has 36 divisors (see below), whose sum is σ = 186572232. Its totient is φ = 44599296.

The previous prime is 91333373. The next prime is 91333397. The reversal of 91333376 is 67333319.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91333373) 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, 6860 + ... + 15156.

It is an arithmetic number, because the mean of its divisors is an integer number (5182562).

Almost surely, 2^91333376 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 91333376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93286116).

91333376 is an abundant number, since it is smaller than the sum of its proper divisors (95238856).

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

91333376 is an equidigital number, since it uses as much as digits as its factorization.

91333376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8342 counting only the distinct ones).

The product of its digits is 30618, while the sum is 35.

The square root of 91333376 is about 9556.8496901437. The cubic root of 91333376 is about 450.3427446420.

The spelling of 91333376 in words is "ninety-one million, three hundred thirty-three thousand, three hundred seventy-six".