86091198 has 32 divisors (see below), whose sum is σ = 180403200. Its totient is φ = 27352416.

The previous prime is 86091151. The next prime is 86091199. The reversal of 86091198 is 89119068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86091199) 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, 10615 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^86091198 is an apocalyptic number.

86091198 is an abundant number, since it is smaller than the sum of its proper divisors (94312002).

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

86091198 is a wasteful number, since it uses less digits than its factorization.

86091198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 86091198 is about 9278.5342592459. The cubic root of 86091198 is about 441.5564676455.

The spelling of 86091198 in words is "eighty-six million, ninety-one thousand, one hundred ninety-eight".