91827942 has 16 divisors (see below), whose sum is σ = 187564032. Its totient is φ = 29957960.

The previous prime is 91827929. The next prime is 91827943. The reversal of 91827942 is 24972819.

It is a junction number, because it is equal to n+sod(n) for n = 91827894 and 91827903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91827943) 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, 162534 + ... + 163097.

It is an arithmetic number, because the mean of its divisors is an integer number (11722752).

Almost surely, 2^91827942 is an apocalyptic number.

91827942 is an abundant number, since it is smaller than the sum of its proper divisors (95736090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91827942 is a wasteful number, since it uses less digits than its factorization.

91827942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325683.

The product of its digits is 72576, while the sum is 42.

The square root of 91827942 is about 9582.6897059229. The cubic root of 91827942 is about 451.1541435371.

The spelling of 91827942 in words is "ninety-one million, eight hundred twenty-seven thousand, nine hundred forty-two".