91086632 has 32 divisors (see below), whose sum is σ = 210201600. Its totient is φ = 36033984.

The previous prime is 91086581. The next prime is 91086641. The reversal of 91086632 is 23668019.

It is a junction number, because it is equal to n+sod(n) for n = 91086592 and 91086601.

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, 61832 + ... + 63287.

It is an arithmetic number, because the mean of its divisors is an integer number (6568800).

Almost surely, 2^91086632 is an apocalyptic number.

It is an amenable number.

91086632 is an abundant number, since it is smaller than the sum of its proper divisors (119114968).

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

91086632 is a wasteful number, since it uses less digits than its factorization.

91086632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125145 (or 125141 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 91086632 is about 9543.9316845837. The cubic root of 91086632 is about 449.9368339322.

The spelling of 91086632 in words is "ninety-one million, eighty-six thousand, six hundred thirty-two".