2143204 has 12 divisors (see below), whose sum is σ = 4286464. Its totient is φ = 918504.

The previous prime is 2143201. The next prime is 2143217. The reversal of 2143204 is 4023412.

2143204 is an admirable number.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 4² + 3¹³ + 2¹⁹ + 0 + 4⁷ .

It is not an unprimeable number, because it can be changed into a prime (2143201) 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, 38244 + ... + 38299.

2^2143204 is an apocalyptic number.

It is an amenable number.

2143204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143204 is a wasteful number, since it uses less digits than its factorization.

2143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76554 (or 76552 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2143204 is about 1463.9685788978. The cubic root of 2143204 is about 128.9301546865.

Adding to 2143204 its reverse (4023412), we get a palindrome (6166616).

The spelling of 2143204 in words is "two million, one hundred forty-three thousand, two hundred four".