2646836 has 12 divisors (see below), whose sum is σ = 4664100. Its totient is φ = 1314240.

The previous prime is 2646803. The next prime is 2646841. The reversal of 2646836 is 6386462.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 2016400 = 794^2 + 1420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2646796 and 2646805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (388675).

2^2646836 is an apocalyptic number.

It is an amenable number.

2646836 is a deficient number, since it is larger than the sum of its proper divisors (2017264).

2646836 is a wasteful number, since it uses less digits than its factorization.

2646836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4592 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 2646836 is about 1626.9099544843. The cubic root of 2646836 is about 138.3276538369.

The spelling of 2646836 in words is "two million, six hundred forty-six thousand, eight hundred thirty-six".