91794249 has 16 divisors (see below), whose sum is σ = 136565440. Its totient is φ = 60937920.

The previous prime is 91794239. The next prime is 91794359. The reversal of 91794249 is 94249719.

It is a happy number.

It is not a de Polignac number, because 91794249 - 2⁴ = 91794233 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 (91794229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (8535340).

Almost surely, 2^91794249 is an apocalyptic number.

It is an amenable number.

91794249 is a deficient number, since it is larger than the sum of its proper divisors (44771191).

91794249 is a wasteful number, since it uses less digits than its factorization.

91794249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357 (or 14351 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 91794249 is about 9580.9315309108. The cubic root of 91794249 is about 451.0989584604.

The spelling of 91794249 in words is "ninety-one million, seven hundred ninety-four thousand, two hundred forty-nine".