859488 has 48 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 245376.

The previous prime is 859477. The next prime is 859493. The reversal of 859488 is 884958.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2⁸⁵⁹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290240).

859488 is an abundant number, since it is smaller than the sum of its proper divisors (1720992).

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

859488 is a wasteful number, since it uses less digits than its factorization.

859488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1291 counting only the distinct ones).

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

The square root of 859488 is about 927.0857565511. The cubic root of 859488 is about 95.0779784504.

The spelling of 859488 in words is "eight hundred fifty-nine thousand, four hundred eighty-eight".