857233 has 16 divisors (see below), whose sum is σ = 999936. Its totient is φ = 728640.

The previous prime is 857221. The next prime is 857249. The reversal of 857233 is 332758.

It is not a de Polignac number, because 857233 - 2⁵ = 857201 is a prime.

It is a Duffinian number.

Its product of digits (5040) is a multiple of the sum of its prime divisors (144).

It is not an unprimeable number, because it can be changed into a prime (857203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14023 + ... + 14083.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2⁸⁵⁷²³³ is an apocalyptic number.

It is an amenable number.

857233 is a deficient number, since it is larger than the sum of its proper divisors (142703).

857233 is a wasteful number, since it uses less digits than its factorization.

857233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 5040, while the sum is 28.

The square root of 857233 is about 925.8687811996. The cubic root of 857233 is about 94.9947550198.

The spelling of 857233 in words is "eight hundred fifty-seven thousand, two hundred thirty-three".