857396 has 12 divisors (see below), whose sum is σ = 1522080. Its totient is φ = 422520.

The previous prime is 857369. The next prime is 857407. The reversal of 857396 is 693758.

It is a pancake number, because a pancake can be divided into 857396 parts by 1309 straight cuts.

It is a congruent number.

It is an unprimeable number.

857396 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 3 ways as a sum of consecutive naturals, for example, 1226 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (126840).

857396 is a Friedman number, since it can be written as 95^3+8+7+6, using all its digits and the basic arithmetic operations.

2⁸⁵⁷³⁹⁶ is an apocalyptic number.

It is an amenable number.

857396 is a deficient number, since it is larger than the sum of its proper divisors (664684).

857396 is a wasteful number, since it uses less digits than its factorization.

857396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3092 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 857396 is about 925.9568024481. The cubic root of 857396 is about 95.0007756169. Note that the first 3 decimals are identical.

The spelling of 857396 in words is "eight hundred fifty-seven thousand, three hundred ninety-six".