855258 has 8 divisors (see below), whose sum is σ = 1710528. Its totient is φ = 285084.

The previous prime is 855241. The next prime is 855269. The reversal of 855258 is 852558.

855258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

855258 is an admirable number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 855258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71266 + ... + 71277.

It is an arithmetic number, because the mean of its divisors is an integer number (213816).

2⁸⁵⁵²⁵⁸ is an apocalyptic number.

855258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855258 is a wasteful number, since it uses less digits than its factorization.

855258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142548.

The product of its digits is 16000, while the sum is 33.

The square root of 855258 is about 924.8016003446. The cubic root of 855258 is about 94.9217453444.

The spelling of 855258 in words is "eight hundred fifty-five thousand, two hundred fifty-eight".