91832340 has 24 divisors (see below), whose sum is σ = 257130720. Its totient is φ = 24488608.

The previous prime is 91832329. The next prime is 91832359. The reversal of 91832340 is 4323819.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 91832298 and 91832307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765210 + ... + 765329.

It is an arithmetic number, because the mean of its divisors is an integer number (10713780).

Almost surely, 2^91832340 is an apocalyptic number.

It is an amenable number.

91832340 is an abundant number, since it is smaller than the sum of its proper divisors (165298380).

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

91832340 is a wasteful number, since it uses less digits than its factorization.

91832340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530551 (or 1530549 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 91832340 is about 9582.9191794567. The cubic root of 91832340 is about 451.1613459354.

The spelling of 91832340 in words is "ninety-one million, eight hundred thirty-two thousand, three hundred forty".