859628 has 24 divisors (see below), whose sum is σ = 1876224. Its totient is φ = 334800.

The previous prime is 859619. The next prime is 859633. The reversal of 859628 is 826958.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 859591 and 859600.

It is a congruent number.

It is an unprimeable number.

859628 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, 1088 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (78176).

2⁸⁵⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

859628 is an abundant number, since it is smaller than the sum of its proper divisors (1016596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859628 is a wasteful number, since it uses less digits than its factorization.

859628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2811 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 859628 is about 927.1612588973. The cubic root of 859628 is about 95.0831405136.

The spelling of 859628 in words is "eight hundred fifty-nine thousand, six hundred twenty-eight".