873628 has 24 divisors (see below), whose sum is σ = 1792224. Its totient is φ = 364800.

The previous prime is 873619. The next prime is 873641. The reversal of 873628 is 826378.

It is a happy number.

873628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 873593 and 873602.

It is a congruent number.

It is an unprimeable number.

873628 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, 768 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (74676).

2⁸⁷³⁶²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896112).

873628 is an abundant number, since it is smaller than the sum of its proper divisors (918596).

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

873628 is a wasteful number, since it uses less digits than its factorization.

873628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 811 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 873628 is about 934.6806941411. The cubic root of 873628 is about 95.5965417188.

It can be divided in two parts, 87362 and 8, that multiplied together give a palindrome (698896).

The spelling of 873628 in words is "eight hundred seventy-three thousand, six hundred twenty-eight".