855342 has 48 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 259200.

The previous prime is 855331. The next prime is 855359. The reversal of 855342 is 243558.

855342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

855342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13992 + ... + 14052.

It is an arithmetic number, because the mean of its divisors is an integer number (42315).

2⁸⁵⁵³⁴² is an apocalyptic number.

855342 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 855342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015560).

855342 is an abundant number, since it is smaller than the sum of its proper divisors (1175778).

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

855342 is a wasteful number, since it uses less digits than its factorization.

855342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 126 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 855342 is about 924.8470143759. The cubic root of 855342 is about 94.9248528533.

The spelling of 855342 in words is "eight hundred fifty-five thousand, three hundred forty-two".