2646323 has 4 divisors (see below), whose sum is σ = 2682648. Its totient is φ = 2610000.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646323 is 3236462.

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

It is a cyclic number.

It is not a de Polignac number, because 2646323 - 2²⁰ = 1597747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2646292 and 2646301.

It is not an unprimeable number, because it can be changed into a prime (2646353) 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, 18053 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (670662).

2^2646323 is an apocalyptic number.

2646323 is a deficient number, since it is larger than the sum of its proper divisors (36325).

2646323 is an equidigital number, since it uses as much as digits as its factorization.

2646323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36324.

The product of its digits is 5184, while the sum is 26.

The square root of 2646323 is about 1626.7522859981. The cubic root of 2646323 is about 138.3187165408.

The spelling of 2646323 in words is "two million, six hundred forty-six thousand, three hundred twenty-three".