91832990 has 16 divisors (see below), whose sum is σ = 165423600. Its totient is φ = 36705600.

The previous prime is 91832987. The next prime is 91833017. The reversal of 91832990 is 9923819.

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, 15461 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (10338975).

Almost surely, 2^91832990 is an apocalyptic number.

91832990 is a deficient number, since it is larger than the sum of its proper divisors (73590610).

91832990 is a wasteful number, since it uses less digits than its factorization.

91832990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 91832990 is about 9582.9530939059. The cubic root of 91832990 is about 451.1624103904.

The spelling of 91832990 in words is "ninety-one million, eight hundred thirty-two thousand, nine hundred ninety".