91463796 has 144 divisors (see below), whose sum is σ = 263390400. Its totient is φ = 27361152.

The previous prime is 91463717. The next prime is 91463821. The reversal of 91463796 is 69736419.

91463796 is a `hidden beast` number, since 9 + 1 + 4 + 637 + 9 + 6 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1725706 + ... + 1725758.

It is an arithmetic number, because the mean of its divisors is an integer number (1829100).

Almost surely, 2^91463796 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 91463796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131695200).

91463796 is an abundant number, since it is smaller than the sum of its proper divisors (171926604).

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

91463796 is a wasteful number, since it uses less digits than its factorization.

91463796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 106 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 91463796 is about 9563.6706342283. The cubic root of 91463796 is about 450.5569991643.

The spelling of 91463796 in words is "ninety-one million, four hundred sixty-three thousand, seven hundred ninety-six".