859860498 has 64 divisors (see below), whose sum is σ = 2048405760. Its totient is φ = 235425792.

The previous prime is 859860473. The next prime is 859860511. The reversal of 859860498 is 894068958.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164290 + ... + 169442.

It is an arithmetic number, because the mean of its divisors is an integer number (32006340).

Almost surely, 2^859860498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859860498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024202880).

859860498 is an abundant number, since it is smaller than the sum of its proper divisors (1188545262).

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

859860498 is a wasteful number, since it uses less digits than its factorization.

859860498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 859860498 is about 29323.3780114093. The cubic root of 859860498 is about 950.9171191402.

It can be divided in two parts, 8598 and 60498, that added together give a palindrome (69096).

The spelling of 859860498 in words is "eight hundred fifty-nine million, eight hundred sixty thousand, four hundred ninety-eight".