91152930 has 48 divisors (see below), whose sum is σ = 240472512. Its totient is φ = 22096800.

The previous prime is 91152917. The next prime is 91152931. The reversal of 91152930 is 3925119.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (91152931) 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 23 ways as a sum of consecutive naturals, for example, 8926 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (5009844).

Almost surely, 2^91152930 is an apocalyptic number.

91152930 is an abundant number, since it is smaller than the sum of its proper divisors (149319582).

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

91152930 is a wasteful number, since it uses less digits than its factorization.

91152930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25143 (or 25132 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 91152930 is about 9547.4043593010. The cubic root of 91152930 is about 450.0459706123.

The spelling of 91152930 in words is "ninety-one million, one hundred fifty-two thousand, nine hundred thirty".