91414319 has 8 divisors (see below), whose sum is σ = 94863360. Its totient is φ = 87996600.

The previous prime is 91414313. The next prime is 91414327. The reversal of 91414319 is 91341419.

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

It is not a de Polignac number, because 91414319 - 2¹² = 91410223 is a prime.

It is a super-2 number, since 2×91414319² = 16713155436467522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91414313) 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, 1799 + ... + 13640.

It is an arithmetic number, because the mean of its divisors is an integer number (11857920).

Almost surely, 2^91414319 is an apocalyptic number.

91414319 is a deficient number, since it is larger than the sum of its proper divisors (3449041).

91414319 is a wasteful number, since it uses less digits than its factorization.

91414319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15661.

The product of its digits is 3888, while the sum is 32.

The square root of 91414319 is about 9561.0835682991. The cubic root of 91414319 is about 450.4757421334.

Subtracting from 91414319 its reverse (91341419), we obtain a square (72900 = 270²).

The spelling of 91414319 in words is "ninety-one million, four hundred fourteen thousand, three hundred nineteen".