91414331 has 8 divisors (see below), whose sum is σ = 93411600. Its totient is φ = 89435808.

The previous prime is 91414327. The next prime is 91414333. The reversal of 91414331 is 13341419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91414331 - 2² = 91414327 is a prime.

It is a super-2 number, since 2×91414331² = 16713159824355122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91414331.

It is not an unprimeable number, because it can be changed into a prime (91414333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (11676450).

Almost surely, 2^91414331 is an apocalyptic number.

91414331 is a deficient number, since it is larger than the sum of its proper divisors (1997269).

91414331 is a wasteful number, since it uses less digits than its factorization.

91414331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373.

The product of its digits is 1296, while the sum is 26.

The square root of 91414331 is about 9561.0841958431. The cubic root of 91414331 is about 450.4757618448.

The spelling of 91414331 in words is "ninety-one million, four hundred fourteen thousand, three hundred thirty-one".