2143036 has 12 divisors (see below), whose sum is σ = 4286128. Its totient is φ = 918432.

The previous prime is 2143027. The next prime is 2143039. The reversal of 2143036 is 6303412.

2143036 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143039) 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, 38241 + ... + 38296.

2^2143036 is an apocalyptic number.

It is an amenable number.

2143036 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.

2143036 is a wasteful number, since it uses less digits than its factorization.

2143036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76548 (or 76546 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2143036 is about 1463.9111994926. The cubic root of 2143036 is about 128.9267857690.

Adding to 2143036 its reverse (6303412), we get a palindrome (8446448).

The spelling of 2143036 in words is "two million, one hundred forty-three thousand, thirty-six".