2162839 has 8 divisors (see below), whose sum is σ = 2551808. Its totient is φ = 1793880.

The previous prime is 2162821. The next prime is 2162843. The reversal of 2162839 is 9382612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2162839 - 2⁵ = 2162807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 2⁵ + 1 + 6² + 2²¹ + 8 + 3¹⁰ + 9⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2162839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4767 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (318976).

2^2162839 is an apocalyptic number.

2162839 is a deficient number, since it is larger than the sum of its proper divisors (388969).

2162839 is an equidigital number, since it uses as much as digits as its factorization.

2162839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005.

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

The square root of 2162839 is about 1470.6593759263. The cubic root of 2162839 is about 129.3226903123.

The spelling of 2162839 in words is "two million, one hundred sixty-two thousand, eight hundred thirty-nine".