91264371 has 12 divisors (see below), whose sum is σ = 133754376. Its totient is φ = 55311520.

The previous prime is 91264367. The next prime is 91264373. The reversal of 91264371 is 17346219.

It is not a de Polignac number, because 91264371 - 2² = 91264367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (91264373) 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, 125346 + ... + 126071.

It is an arithmetic number, because the mean of its divisors is an integer number (11146198).

Almost surely, 2^91264371 is an apocalyptic number.

91264371 is a deficient number, since it is larger than the sum of its proper divisors (42490005).

91264371 is a wasteful number, since it uses less digits than its factorization.

91264371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251442 (or 251431 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 91264371 is about 9553.2387701763. The cubic root of 91264371 is about 450.2293004226.

It can be divided in two parts, 91 and 264371, that added together give a palindrome (264462).

The spelling of 91264371 in words is "ninety-one million, two hundred sixty-four thousand, three hundred seventy-one".