91046808 has 64 divisors (see below), whose sum is σ = 254976000. Its totient is φ = 30100896.

The previous prime is 91046777. The next prime is 91046821. The reversal of 91046808 is 80864019.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 25773 + ... + 29091.

It is an arithmetic number, because the mean of its divisors is an integer number (3984000).

Almost surely, 2^91046808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91046808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127488000).

91046808 is an abundant number, since it is smaller than the sum of its proper divisors (163929192).

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

91046808 is a wasteful number, since it uses less digits than its factorization.

91046808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3451 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 91046808 is about 9541.8451045906. The cubic root of 91046808 is about 449.8712520568.

The spelling of 91046808 in words is "ninety-one million, forty-six thousand, eight hundred eight".