857230 has 16 divisors (see below), whose sum is σ = 1683504. Its totient is φ = 311680.

The previous prime is 857221. The next prime is 857249. The reversal of 857230 is 32758.

It is a junction number, because it is equal to n+sod(n) for n = 857195 and 857204.

It is a congruent number.

It is an unprimeable number.

857230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (105219).

2⁸⁵⁷²³⁰ is an apocalyptic number.

857230 is a deficient number, since it is larger than the sum of its proper divisors (826274).

857230 is a wasteful number, since it uses less digits than its factorization.

857230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 857230 is about 925.8671610982. The cubic root of 857230 is about 94.9946442041.

Adding to 857230 its reverse (32758), we get a palindrome (889988).

The spelling of 857230 in words is "eight hundred fifty-seven thousand, two hundred thirty".