857382 has 8 divisors (see below), whose sum is σ = 1714776. Its totient is φ = 285792.

The previous prime is 857369. The next prime is 857407. The reversal of 857382 is 283758.

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

857382 is an admirable number.

It is a congruent number.

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, 71443 + ... + 71454.

It is an arithmetic number, because the mean of its divisors is an integer number (214347).

857382 is a Friedman number, since it can be written as (87+8)^3+5+2, using all its digits and the basic arithmetic operations.

2⁸⁵⁷³⁸² is an apocalyptic number.

857382 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.

857382 is a wasteful number, since it uses less digits than its factorization.

857382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142902.

The product of its digits is 13440, while the sum is 33.

The square root of 857382 is about 925.9492426694. The cubic root of 857382 is about 95.0002585404. Note that the first 3 decimals are identical.

The spelling of 857382 in words is "eight hundred fifty-seven thousand, three hundred eighty-two".