91089114 has 16 divisors (see below), whose sum is σ = 182943360. Its totient is φ = 30235520.

The previous prime is 91089109. The next prime is 91089121. The reversal of 91089114 is 41198019.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30327 + ... + 33194.

It is an arithmetic number, because the mean of its divisors is an integer number (11433960).

Almost surely, 2^91089114 is an apocalyptic number.

91089114 is an abundant number, since it is smaller than the sum of its proper divisors (91854246).

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

91089114 is a wasteful number, since it uses less digits than its factorization.

91089114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63765.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 91089114 is about 9544.0617139664. The cubic root of 91089114 is about 449.9409206390.

The spelling of 91089114 in words is "ninety-one million, eighty-nine thousand, one hundred fourteen".