91242048 has 28 divisors (see below), whose sum is σ = 241411760. Its totient is φ = 30413952.

The previous prime is 91242023. The next prime is 91242049. The reversal of 91242048 is 84024219.

It is a super-2 number, since 2×91242048² = 16650222646468608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91242049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 237418 + ... + 237801.

Almost surely, 2^91242048 is an apocalyptic number.

It is an amenable number.

91242048 is an abundant number, since it is smaller than the sum of its proper divisors (150169712).

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

91242048 is a wasteful number, since it uses less digits than its factorization.

91242048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475234 (or 475224 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 91242048 is about 9552.0703514997. The cubic root of 91242048 is about 450.1925891697.

The spelling of 91242048 in words is "ninety-one million, two hundred forty-two thousand, forty-eight".