2162393 has 2 divisors, whose sum is σ = 2162394. Its totient is φ = 2162392.

The previous prime is 2162387. The next prime is 2162401. The reversal of 2162393 is 3932612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408969 + 753424 = 1187^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162393 - 2⁸ = 2162137 is a prime.

It is a super-3 number, since 3×2162393³ = 30333682390478737371, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2162323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081196 + 1081197.

It is an arithmetic number, because the mean of its divisors is an integer number (1081197).

2^2162393 is an apocalyptic number.

It is an amenable number.

2162393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162393 is an equidigital number, since it uses as much as digits as its factorization.

2162393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 2162393 is about 1470.5077354438. The cubic root of 2162393 is about 129.3138004712.

The spelling of 2162393 in words is "two million, one hundred sixty-two thousand, three hundred ninety-three".