2823406 has 4 divisors (see below), whose sum is σ = 4235112. Its totient is φ = 1411702.

The previous prime is 2823389. The next prime is 2823407. The reversal of 2823406 is 6043282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705850 + ... + 705853.

It is an arithmetic number, because the mean of its divisors is an integer number (1058778).

2^2823406 is an apocalyptic number.

2823406 is a deficient number, since it is larger than the sum of its proper divisors (1411706).

2823406 is a wasteful number, since it uses less digits than its factorization.

2823406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411705.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2823406 is about 1680.2993780871. The cubic root of 2823406 is about 141.3376212555.

Adding to 2823406 its reverse (6043282), we get a palindrome (8866688).

The spelling of 2823406 in words is "two million, eight hundred twenty-three thousand, four hundred six".