859608 has 24 divisors (see below), whose sum is σ = 2328300. Its totient is φ = 286512.

The previous prime is 859603. The next prime is 859609. The reversal of 859608 is 806958.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859601) 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 5 ways as a sum of consecutive naturals, for example, 5898 + ... + 6041.

2⁸⁵⁹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

859608 is an abundant number, since it is smaller than the sum of its proper divisors (1468692).

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

859608 is a wasteful number, since it uses less digits than its factorization.

859608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951 (or 11944 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 859608 is about 927.1504732243. The cubic root of 859608 is about 95.0824031104.

Subtracting from 859608 its reverse (806958), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 859608 in words is "eight hundred fifty-nine thousand, six hundred eight".