91615496 has 24 divisors (see below), whose sum is σ = 199825470. Its totient is φ = 39263616.

The previous prime is 91615493. The next prime is 91615519. The reversal of 91615496 is 69451619.

It can be written as a sum of positive squares in only one way, i.e., 82555396 + 9060100 = 9086^2 + 3010^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91615493) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 116465 + ... + 117248.

Almost surely, 2^91615496 is an apocalyptic number.

It is an amenable number.

91615496 is an abundant number, since it is smaller than the sum of its proper divisors (108209974).

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

91615496 is a wasteful number, since it uses less digits than its factorization.

91615496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233733 (or 233722 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 91615496 is about 9571.5984036105. The cubic root of 91615496 is about 450.8059564816.

The spelling of 91615496 in words is "ninety-one million, six hundred fifteen thousand, four hundred ninety-six".