859442 has 16 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 408480.

The previous prime is 859433. The next prime is 859447. The reversal of 859442 is 244958.

859442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 859399 and 859408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743 + ... + 3965.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2⁸⁵⁹⁴⁴² is an apocalyptic number.

859442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

859442 is a deficient number, since it is larger than the sum of its proper divisors (495310).

859442 is a wasteful number, since it uses less digits than its factorization.

859442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 11520, while the sum is 32.

The square root of 859442 is about 927.0609472953. The cubic root of 859442 is about 95.0762822215.

The spelling of 859442 in words is "eight hundred fifty-nine thousand, four hundred forty-two".