91247041 has 8 divisors (see below), whose sum is σ = 96703200. Its totient is φ = 85800768.

The previous prime is 91247011. The next prime is 91247047. The reversal of 91247041 is 14074219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91247041 - 2⁷ = 91246913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91247047) 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 7 ways as a sum of consecutive naturals, for example, 26010 + ... + 29308.

It is an arithmetic number, because the mean of its divisors is an integer number (12087900).

Almost surely, 2^91247041 is an apocalyptic number.

It is an amenable number.

91247041 is a deficient number, since it is larger than the sum of its proper divisors (5456159).

91247041 is a wasteful number, since it uses less digits than its factorization.

91247041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 91247041 is about 9552.3317048771. The cubic root of 91247041 is about 450.2008009194.

The spelling of 91247041 in words is "ninety-one million, two hundred forty-seven thousand, forty-one".