873870 has 16 divisors (see below), whose sum is σ = 2097360. Its totient is φ = 233024.

The previous prime is 873863. The next prime is 873877. The reversal of 873870 is 78378.

It is an interprime number because it is at equal distance from previous prime (873863) and next prime (873877).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

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 873870.

It is not an unprimeable number, because it can be changed into a prime (873877) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14535 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (131085).

2⁸⁷³⁸⁷⁰ is an apocalyptic number.

873870 is an abundant number, since it is smaller than the sum of its proper divisors (1223490).

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

873870 is a wasteful number, since it uses less digits than its factorization.

873870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29139.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 873870 is about 934.8101411517. The cubic root of 873870 is about 95.6053678352.

The spelling of 873870 in words is "eight hundred seventy-three thousand, eight hundred seventy".