91336249 has 9 divisors (see below), whose sum is σ = 96588453. Its totient is φ = 86357052.

The previous prime is 91336237. The next prime is 91336253. The reversal of 91336249 is 94263319.

The square root of 91336249 is 9557.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 91336249 - 2¹³ = 91328057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91334249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 181332 + ... + 181834.

Almost surely, 2^91336249 is an apocalyptic number.

91336249 is the 9557-th square number.

91336249 is the 4779-th centered octagonal number.

It is an amenable number.

91336249 is a deficient number, since it is larger than the sum of its proper divisors (5252204).

91336249 is an frugal number, since it uses more digits than its factorization.

91336249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 522 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The cubic root of 91336249 is about 450.3474666147.

The spelling of 91336249 in words is "ninety-one million, three hundred thirty-six thousand, two hundred forty-nine".