2183963 has 2 divisors, whose sum is σ = 2183964. Its totient is φ = 2183962.

The previous prime is 2183959. The next prime is 2183969. The reversal of 2183963 is 3693812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2183963 - 2² = 2183959 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2183969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091981 + 1091982.

It is an arithmetic number, because the mean of its divisors is an integer number (1091982).

2^2183963 is an apocalyptic number.

2183963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183963 is an equidigital number, since it uses as much as digits as its factorization.

2183963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 2183963 is about 1477.8237377983. The cubic root of 2183963 is about 129.7423496541.

The spelling of 2183963 in words is "two million, one hundred eighty-three thousand, nine hundred sixty-three".