859388 has 12 divisors (see below), whose sum is σ = 1513512. Its totient is φ = 426960.

The previous prime is 859381. The next prime is 859393. The reversal of 859388 is 883958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859381) by changing a digit.

859388 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, 131 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (126126).

2⁸⁵⁹³⁸⁸ is an apocalyptic number.

It is an amenable number.

859388 is a deficient number, since it is larger than the sum of its proper divisors (654124).

859388 is a wasteful number, since it uses less digits than its factorization.

859388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 859388 is about 927.0318225390. The cubic root of 859388 is about 95.0742909191.

The spelling of 859388 in words is "eight hundred fifty-nine thousand, three hundred eighty-eight".