91041198 has 32 divisors (see below), whose sum is σ = 193587840. Its totient is φ = 28461600.

The previous prime is 91041169. The next prime is 91041211. The reversal of 91041198 is 89114019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7561 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (6049620).

Almost surely, 2^91041198 is an apocalyptic number.

91041198 is an abundant number, since it is smaller than the sum of its proper divisors (102546642).

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

91041198 is a wasteful number, since it uses less digits than its factorization.

91041198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032.

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

The square root of 91041198 is about 9541.5511317605. The cubic root of 91041198 is about 449.8620120127.

The spelling of 91041198 in words is "ninety-one million, forty-one thousand, one hundred ninety-eight".