859397 has 8 divisors (see below), whose sum is σ = 1071552. Its totient is φ = 669600.

The previous prime is 859393. The next prime is 859423. The reversal of 859397 is 793958.

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

It is a cyclic number.

It is not a de Polignac number, because 859397 - 2² = 859393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (133944).

2⁸⁵⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

859397 is a deficient number, since it is larger than the sum of its proper divisors (212155).

859397 is a wasteful number, since it uses less digits than its factorization.

859397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179.

The product of its digits is 68040, while the sum is 41.

The square root of 859397 is about 927.0366767286. The cubic root of 859397 is about 95.0746228086.

The spelling of 859397 in words is "eight hundred fifty-nine thousand, three hundred ninety-seven".