2140210 has 8 divisors (see below), whose sum is σ = 3852396. Its totient is φ = 856080.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140210 is 120412.

It can be written as a sum of positive squares in 2 ways, for example, as 1996569 + 143641 = 1413^2 + 379^2 .

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: 214021 = 2140210 / (2 + 1 + 4 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107001 + ... + 107020.

2^2140210 is an apocalyptic number.

2140210 is a deficient number, since it is larger than the sum of its proper divisors (1712186).

2140210 is a wasteful number, since it uses less digits than its factorization.

2140210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214028.

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

The square root of 2140210 is about 1462.9456585943. The cubic root of 2140210 is about 128.8700893552.

Adding to 2140210 its reverse (120412), we get a palindrome (2260622).

It can be divided in two parts, 21402 and 10, that added together give a palindrome (21412).

The spelling of 2140210 in words is "two million, one hundred forty thousand, two hundred ten".