873678 has 32 divisors (see below), whose sum is σ = 1967616. Its totient is φ = 256608.

The previous prime is 873671. The next prime is 873689. The reversal of 873678 is 876378.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873678.

It is not an unprimeable number, because it can be changed into a prime (873671) by changing a digit.

873678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551 + ... + 2037.

It is an arithmetic number, because the mean of its divisors is an integer number (61488).

2⁸⁷³⁶⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983808).

873678 is an abundant number, since it is smaller than the sum of its proper divisors (1093938).

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

873678 is a wasteful number, since it uses less digits than its factorization.

873678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 56448, while the sum is 39.

The square root of 873678 is about 934.7074408605. The cubic root of 873678 is about 95.5983654302.

It can be divided in two parts, 873 and 678, that added together give a palindrome (1551).

The spelling of 873678 in words is "eight hundred seventy-three thousand, six hundred seventy-eight".