85800498 has 32 divisors (see below), whose sum is σ = 202444800. Its totient is φ = 23723280.

The previous prime is 85800469. The next prime is 85800541. The reversal of 85800498 is 89400858.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31648 + ... + 34251.

It is an arithmetic number, because the mean of its divisors is an integer number (6326400).

Almost surely, 2^85800498 is an apocalyptic number.

85800498 is an abundant number, since it is smaller than the sum of its proper divisors (116644302).

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

85800498 is a wasteful number, since it uses less digits than its factorization.

85800498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65942.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 85800498 is about 9262.8558231250. The cubic root of 85800498 is about 441.0589130523.

The spelling of 85800498 in words is "eighty-five million, eight hundred thousand, four hundred ninety-eight".