2162043 has 24 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1251072.

The previous prime is 2162003. The next prime is 2162057. The reversal of 2162043 is 3402612.

It is a happy number.

2162043 is a `hidden beast` number, since 2 + 1 + 620 + 43 = 666.

It is not a de Polignac number, because 2162043 - 2⁸ = 2161787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

2^2162043 is an apocalyptic number.

2162043 is a deficient number, since it is larger than the sum of its proper divisors (1402245).

2162043 is a wasteful number, since it uses less digits than its factorization.

2162043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2162043 is about 1470.3887241135. The cubic root of 2162043 is about 129.3068232825.

Adding to 2162043 its reverse (3402612), we get a palindrome (5564655).

The spelling of 2162043 in words is "two million, one hundred sixty-two thousand, forty-three".