2138230 has 16 divisors (see below), whose sum is σ = 3953520. Its totient is φ = 832032.

The previous prime is 2138221. The next prime is 2138231. The reversal of 2138230 is 328312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2138198 and 2138207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (247095).

2^2138230 is an apocalyptic number.

2138230 is a deficient number, since it is larger than the sum of its proper divisors (1815290).

2138230 is a wasteful number, since it uses less digits than its factorization.

2138230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2138230 is about 1462.2687851418. The cubic root of 2138230 is about 128.8303360125.

It can be divided in two parts, 21382 and 30, that added together give a palindrome (21412).

The spelling of 2138230 in words is "two million, one hundred thirty-eight thousand, two hundred thirty".