91126490 has 48 divisors (see below), whose sum is σ = 203015808. Its totient is φ = 28836288.

The previous prime is 91126481. The next prime is 91126493. The reversal of 91126490 is 9462119.

It is not an unprimeable number, because it can be changed into a prime (91126493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7979 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (4229496).

Almost surely, 2^91126490 is an apocalyptic number.

91126490 is an abundant number, since it is smaller than the sum of its proper divisors (111889318).

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

91126490 is a wasteful number, since it uses less digits than its factorization.

91126490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743 (or 7730 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 91126490 is about 9546.0195893367. The cubic root of 91126490 is about 450.0024526615.

The spelling of 91126490 in words is "ninety-one million, one hundred twenty-six thousand, four hundred ninety".