855402 has 8 divisors (see below), whose sum is σ = 1710816. Its totient is φ = 285132.

The previous prime is 855401. The next prime is 855419. The reversal of 855402 is 204558.

855402 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.

855402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (855401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71278 + ... + 71289.

It is an arithmetic number, because the mean of its divisors is an integer number (213852).

2⁸⁵⁵⁴⁰² is an apocalyptic number.

855402 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.

855402 is a wasteful number, since it uses less digits than its factorization.

855402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142572.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 855402 is about 924.8794516044. The cubic root of 855402 is about 94.9270723780.

The spelling of 855402 in words is "eight hundred fifty-five thousand, four hundred two".