85628 has 6 divisors (see below), whose sum is σ = 149856. Its totient is φ = 42812.

The previous prime is 85627. The next prime is 85639. The reversal of 85628 is 82658.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10700 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (24976).

2⁸⁵⁶²⁸ is an apocalyptic number.

It is an amenable number.

85628 is a deficient number, since it is larger than the sum of its proper divisors (64228).

85628 is a wasteful number, since it uses less digits than its factorization.

85628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21411 (or 21409 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 85628 is about 292.6226238690. The cubic root of 85628 is about 44.0763138453.

The spelling of 85628 in words is "eighty-five thousand, six hundred twenty-eight".