2143826 has 8 divisors (see below), whose sum is σ = 3247884. Its totient is φ = 1061200.

The previous prime is 2143793. The next prime is 2143829. The reversal of 2143826 is 6283412.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 819025 = 1151^2 + 905^2 .

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

It is a d-powerful number, because it can be written as 2 + 1 + 4 + 3 + 8 + 2²¹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2143795 and 2143804.

It is not an unprimeable number, because it can be changed into a prime (2143829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105 + ... + 5508.

2^2143826 is an apocalyptic number.

2143826 is a deficient number, since it is larger than the sum of its proper divisors (1104058).

2143826 is a wasteful number, since it uses less digits than its factorization.

2143826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716.

The product of its digits is 2304, while the sum is 26.

The square root of 2143826 is about 1464.1809997401. The cubic root of 2143826 is about 128.9426261699.

The spelling of 2143826 in words is "two million, one hundred forty-three thousand, eight hundred twenty-six".