85998498 has 8 divisors (see below), whose sum is σ = 171997008. Its totient is φ = 28666164.

The previous prime is 85998491. The next prime is 85998499. The reversal of 85998498 is 89489958.

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

85998498 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (85998491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166536 + ... + 7166547.

It is an arithmetic number, because the mean of its divisors is an integer number (21499626).

Almost surely, 2^85998498 is an apocalyptic number.

85998498 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.

85998498 is a wasteful number, since it uses less digits than its factorization.

85998498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333088.

The product of its digits is 7464960, while the sum is 60.

The square root of 85998498 is about 9273.5375127294. The cubic root of 85998498 is about 441.3979265256.

The spelling of 85998498 in words is "eighty-five million, nine hundred ninety-eight thousand, four hundred ninety-eight".