2104210 has 8 divisors (see below), whose sum is σ = 3787596. Its totient is φ = 841680.

The previous prime is 2104181. The next prime is 2104213. The reversal of 2104210 is 124012.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 33489 = 1439^2 + 183^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 210421 = 2104210 / (2 + 1 + 0 + 4 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2104213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105201 + ... + 105220.

2^2104210 is an apocalyptic number.

2104210 is a deficient number, since it is larger than the sum of its proper divisors (1683386).

2104210 is a wasteful number, since it uses less digits than its factorization.

2104210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210428.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2104210 is about 1450.5895353269. The cubic root of 2104210 is about 128.1434345872.

Adding to 2104210 its reverse (124012), we get a palindrome (2228222).

The spelling of 2104210 in words is "two million, one hundred four thousand, two hundred ten".