873612 has 24 divisors (see below), whose sum is σ = 2265200. Its totient is φ = 291168.

The previous prime is 873571. The next prime is 873617. The reversal of 873612 is 216378.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873612.

It is not an unprimeable number, because it can be changed into a prime (873617) 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, 3937 + ... + 4152.

2⁸⁷³⁶¹² is an apocalyptic number.

It is an amenable number.

873612 is an abundant number, since it is smaller than the sum of its proper divisors (1391588).

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

873612 is a wasteful number, since it uses less digits than its factorization.

873612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8094 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 873612 is about 934.6721350292. The cubic root of 873612 is about 95.5959581165.

It can be divided in two parts, 873 and 612, that added together give a triangular number (1485 = T₅₄).

The spelling of 873612 in words is "eight hundred seventy-three thousand, six hundred twelve".