873506 has 16 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 408240.

The previous prime is 873497. The next prime is 873527. The reversal of 873506 is 605378.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873506.

It is an unprimeable number.

873506 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, 4736 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2⁸⁷³⁵⁰⁶ is an apocalyptic number.

873506 is a deficient number, since it is larger than the sum of its proper divisors (524254).

873506 is a wasteful number, since it uses less digits than its factorization.

873506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 873506 is about 934.6154289332. The cubic root of 873506 is about 95.5920915711.

The spelling of 873506 in words is "eight hundred seventy-three thousand, five hundred six".