857375 has 16 divisors (see below), whose sum is σ = 1129440. Its totient is φ = 649800.

The previous prime is 857369. The next prime is 857407. The reversal of 857375 is 573758.

The cubic root of 857375 is 95.

It is a perfect power (a cube), and thus also a powerful number.

It is not a de Polignac number, because 857375 - 2¹⁰ = 856351 is a prime.

Its product of digits (29400) is a multiple of the sum of its prime divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45116 + ... + 45134.

It is an arithmetic number, because the mean of its divisors is an integer number (70590).

857375 is a Friedman number, since it can be written as (78+7+5+5)^3, using all its digits and the basic arithmetic operations.

2⁸⁵⁷³⁷⁵ is an apocalyptic number.

857375 is a deficient number, since it is larger than the sum of its proper divisors (272065).

857375 is an frugal number, since it uses more digits than its factorization.

857375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 24 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 857375 is about 925.9454627569.

The spelling of 857375 in words is "eight hundred fifty-seven thousand, three hundred seventy-five".