91286632 has 16 divisors (see below), whose sum is σ = 178604640. Its totient is φ = 43658736.

The previous prime is 91286627. The next prime is 91286641. The reversal of 91286632 is 23668219.

It is a junction number, because it is equal to n+sod(n) for n = 91286591 and 91286600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247878 + ... + 248245.

It is an arithmetic number, because the mean of its divisors is an integer number (11162790).

Almost surely, 2^91286632 is an apocalyptic number.

91286632 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

91286632 is a deficient number, since it is larger than the sum of its proper divisors (87318008).

91286632 is a wasteful number, since it uses less digits than its factorization.

91286632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496152 (or 496148 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 91286632 is about 9554.4038013892. The cubic root of 91286632 is about 450.2659037526.

The spelling of 91286632 in words is "ninety-one million, two hundred eighty-six thousand, six hundred thirty-two".