91300916 has 18 divisors (see below), whose sum is σ = 185862978. Its totient is φ = 39128880.

The previous prime is 91300889. The next prime is 91300939. The reversal of 91300916 is 61900319.

It can be written as a sum of positive squares in only one way, i.e., 85636516 + 5664400 = 9254^2 + 2380^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232715 + ... + 233106.

It is an arithmetic number, because the mean of its divisors is an integer number (10325721).

Almost surely, 2^91300916 is an apocalyptic number.

It is an amenable number.

91300916 is an abundant number, since it is smaller than the sum of its proper divisors (94562062).

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

91300916 is a wasteful number, since it uses less digits than its factorization.

91300916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465839 (or 465830 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 91300916 is about 9555.1512808537. The cubic root of 91300916 is about 450.2893875224.

The spelling of 91300916 in words is "ninety-one million, three hundred thousand, nine hundred sixteen".