859446 has 48 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 231984.

The previous prime is 859433. The next prime is 859447. The reversal of 859446 is 644958.

It is a self number, because there is not a number n which added to its sum of digits gives 859446.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 859446.

It is not an unprimeable number, because it can be changed into a prime (859447) 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 23 ways as a sum of consecutive naturals, for example, 2215 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2⁸⁵⁹⁴⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123200).

859446 is an abundant number, since it is smaller than the sum of its proper divisors (1386954).

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

859446 is a wasteful number, since it uses less digits than its factorization.

859446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 390 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 859446 is about 927.0631046482. The cubic root of 859446 is about 95.0764297221.

The spelling of 859446 in words is "eight hundred fifty-nine thousand, four hundred forty-six".