91204098 has 8 divisors (see below), whose sum is σ = 182408208. Its totient is φ = 30401364.

The previous prime is 91204097. The next prime is 91204121. The reversal of 91204098 is 89040219.

It is a sphenic number, since it is the product of 3 distinct primes.

91204098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (91204097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600336 + ... + 7600347.

It is an arithmetic number, because the mean of its divisors is an integer number (22801026).

Almost surely, 2^91204098 is an apocalyptic number.

91204098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91204098 is a wasteful number, since it uses less digits than its factorization.

91204098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200688.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 91204098 is about 9550.0836645550. The cubic root of 91204098 is about 450.1301648147.

The spelling of 91204098 in words is "ninety-one million, two hundred four thousand, ninety-eight".