91046249 has 8 divisors (see below), whose sum is σ = 104173440. Its totient is φ = 77949216.

The previous prime is 91046239. The next prime is 91046297. The reversal of 91046249 is 94264019.

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 91046249 - 2¹⁶ = 90980713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91046239) 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 7 ways as a sum of consecutive naturals, for example, 644 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (13021680).

Almost surely, 2^91046249 is an apocalyptic number.

It is an amenable number.

91046249 is a deficient number, since it is larger than the sum of its proper divisors (13127191).

91046249 is a wasteful number, since it uses less digits than its factorization.

91046249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 91046249 is about 9541.8158125170. The cubic root of 91046249 is about 449.8703313635.

The spelling of 91046249 in words is "ninety-one million, forty-six thousand, two hundred forty-nine".