91049292 has 48 divisors (see below), whose sum is σ = 248483200. Its totient is φ = 28751760.

The previous prime is 91049291. The next prime is 91049303. The reversal of 91049292 is 29294019.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (91049291) 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, 20134 + ... + 24237.

Almost surely, 2^91049292 is an apocalyptic number.

It is an amenable number.

91049292 is an abundant number, since it is smaller than the sum of its proper divisors (157433908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91049292 is a wasteful number, since it uses less digits than its factorization.

91049292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44403 (or 44395 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 91049292 is about 9541.9752672075. The cubic root of 91049292 is about 449.8753432492.

The spelling of 91049292 in words is "ninety-one million, forty-nine thousand, two hundred ninety-two".