2163829 has 2 divisors, whose sum is σ = 2163830. Its totient is φ = 2163828.

The previous prime is 2163827. The next prime is 2163851. The reversal of 2163829 is 9283612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 161604 = 1415^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163829 - 2¹ = 2163827 is a prime.

Together with 2163827, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 6⁶ + 3⁹ + 8⁷ + 2⁷ + 9² .

It is a self number, because there is not a number n which added to its sum of digits gives 2163829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081914 + 1081915.

It is an arithmetic number, because the mean of its divisors is an integer number (1081915).

2^2163829 is an apocalyptic number.

It is an amenable number.

2163829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163829 is an equidigital number, since it uses as much as digits as its factorization.

2163829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 2163829 is about 1470.9959211364. The cubic root of 2163829 is about 129.3424190013.

It can be divided in two parts, 2163 and 829, that added together give a palindrome (2992).

The spelling of 2163829 in words is "two million, one hundred sixty-three thousand, eight hundred twenty-nine".