91496249 has 8 divisors (see below), whose sum is σ = 98616840. Its totient is φ = 84387456.

The previous prime is 91496243. The next prime is 91496257. The reversal of 91496249 is 94269419.

It can be written as a sum of positive squares in 4 ways, for example, as 16362025 + 75134224 = 4045^2 + 8668^2 .

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 91496249 - 2⁸ = 91495993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91496243) 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, 19589 + ... + 23805.

It is an arithmetic number, because the mean of its divisors is an integer number (12327105).

Almost surely, 2^91496249 is an apocalyptic number.

It is an amenable number.

91496249 is a deficient number, since it is larger than the sum of its proper divisors (7120591).

91496249 is a wasteful number, since it uses less digits than its factorization.

91496249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899.

The product of its digits is 139968, while the sum is 44.

The square root of 91496249 is about 9565.3671649341. The cubic root of 91496249 is about 450.6102814388.

The spelling of 91496249 in words is "ninety-one million, four hundred ninety-six thousand, two hundred forty-nine".