91286496 has 72 divisors (see below), whose sum is σ = 296687664. Its totient is φ = 26081280.

The previous prime is 91286483. The next prime is 91286501. The reversal of 91286496 is 69468219.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20625 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (4120662).

Almost surely, 2^91286496 is an apocalyptic number.

91286496 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

91286496 is an abundant number, since it is smaller than the sum of its proper divisors (205401168).

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

91286496 is a wasteful number, since it uses less digits than its factorization.

91286496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45304 (or 45293 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 91286496 is about 9554.3966842496. The cubic root of 91286496 is about 450.2656801485.

The spelling of 91286496 in words is "ninety-one million, two hundred eighty-six thousand, four hundred ninety-six".