91914283 has 4 divisors (see below), whose sum is σ = 93021768. Its totient is φ = 90806800.

The previous prime is 91914269. The next prime is 91914289. The reversal of 91914283 is 38241919.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38241919 = 163 ⋅234613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91914283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91914289) 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, 553618 + ... + 553783.

It is an arithmetic number, because the mean of its divisors is an integer number (23255442).

Almost surely, 2^91914283 is an apocalyptic number.

91914283 is a deficient number, since it is larger than the sum of its proper divisors (1107485).

91914283 is a wasteful number, since it uses less digits than its factorization.

91914283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107484.

The product of its digits is 15552, while the sum is 37.

The square root of 91914283 is about 9587.1936978451. The cubic root of 91914283 is about 451.2954981070.

The spelling of 91914283 in words is "ninety-one million, nine hundred fourteen thousand, two hundred eighty-three".