872210 has 8 divisors (see below), whose sum is σ = 1569996. Its totient is φ = 348880.

The previous prime is 872203. The next prime is 872227. The reversal of 872210 is 12278.

872210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 808201 + 64009 = 899^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a nialpdrome in base 10.

It is an unprimeable number.

872210 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 3 ways as a sum of consecutive naturals, for example, 43601 + ... + 43620.

2⁸⁷²²¹⁰ is an apocalyptic number.

872210 is a deficient number, since it is larger than the sum of its proper divisors (697786).

872210 is a wasteful number, since it uses less digits than its factorization.

872210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87228.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 872210 is about 933.9218382713. The cubic root of 872210 is about 95.5447922696.

Adding to 872210 its reverse (12278), we get a palindrome (884488).

The spelling of 872210 in words is "eight hundred seventy-two thousand, two hundred ten".