91246871 has 8 divisors (see below), whose sum is σ = 97354224. Its totient is φ = 85221760.

The previous prime is 91246849. The next prime is 91246879. The reversal of 91246871 is 17864219.

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

It is a cyclic number.

It is not a de Polignac number, because 91246871 - 2¹⁴ = 91230487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91246879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18260 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (12169278).

Almost surely, 2^91246871 is an apocalyptic number.

91246871 is a deficient number, since it is larger than the sum of its proper divisors (6107353).

91246871 is a wasteful number, since it uses less digits than its factorization.

91246871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41121.

The product of its digits is 24192, while the sum is 38.

The square root of 91246871 is about 9552.3228065220. The cubic root of 91246871 is about 450.2005213334.

The spelling of 91246871 in words is "ninety-one million, two hundred forty-six thousand, eight hundred seventy-one".