91099484 has 12 divisors (see below), whose sum is σ = 182199024. Its totient is φ = 39042624.

The previous prime is 91099451. The next prime is 91099493. The reversal of 91099484 is 48499019.

91099484 is an admirable number.

It is a congruent number.

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, 1626749 + ... + 1626804.

It is an arithmetic number, because the mean of its divisors is an integer number (15183252).

Almost surely, 2^91099484 is an apocalyptic number.

It is an amenable number.

91099484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91099484 is a wasteful number, since it uses less digits than its factorization.

91099484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253564 (or 3253562 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 91099484 is about 9544.6049682530. The cubic root of 91099484 is about 449.9579944330.

The spelling of 91099484 in words is "ninety-one million, ninety-nine thousand, four hundred eighty-four".