91948286 has 8 divisors (see below), whose sum is σ = 138050784. Its totient is φ = 45931360.

The previous prime is 91948271. The next prime is 91948327. The reversal of 91948286 is 68284919.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91948286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18635 + ... + 23046.

It is an arithmetic number, because the mean of its divisors is an integer number (17256348).

Almost surely, 2^91948286 is an apocalyptic number.

91948286 is a deficient number, since it is larger than the sum of its proper divisors (46102498).

91948286 is a wasteful number, since it uses less digits than its factorization.

91948286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42786.

The product of its digits is 248832, while the sum is 47.

The square root of 91948286 is about 9588.9668890866. The cubic root of 91948286 is about 451.3511423747.

The spelling of 91948286 in words is "ninety-one million, nine hundred forty-eight thousand, two hundred eighty-six".