873660 has 24 divisors (see below), whose sum is σ = 2446416. Its totient is φ = 232960.

The previous prime is 873659. The next prime is 873667. The reversal of 873660 is 66378.

873660 = T₄₁₃ + T₄₁₄ + ... + T₄₂₂.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 873660.

It is not an unprimeable number, because it can be changed into a prime (873667) 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, 7221 + ... + 7340.

It is an arithmetic number, because the mean of its divisors is an integer number (101934).

2⁸⁷³⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

873660 is an abundant number, since it is smaller than the sum of its proper divisors (1572756).

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

873660 is a wasteful number, since it uses less digits than its factorization.

873660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573 (or 14571 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 873660 is about 934.6978121297. The cubic root of 873660 is about 95.5977089021.

The spelling of 873660 in words is "eight hundred seventy-three thousand, six hundred sixty".