6636343 has 4 divisors (see below), whose sum is σ = 7584400. Its totient is φ = 5688288.

The previous prime is 6636337. The next prime is 6636359. The reversal of 6636343 is 3436366.

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 6636343 - 2²¹ = 4539191 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 6⁸ + 3⁶ + 6⁸ + 3⁷ + 4⁴ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636943) 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, 474018 + ... + 474031.

It is an arithmetic number, because the mean of its divisors is an integer number (1896100).

Almost surely, 2^6636343 is an apocalyptic number.

6636343 is a deficient number, since it is larger than the sum of its proper divisors (948057).

6636343 is an equidigital number, since it uses as much as digits as its factorization.

6636343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948056.

The product of its digits is 23328, while the sum is 31.

The square root of 6636343 is about 2576.1100519970. The cubic root of 6636343 is about 187.9214153980.

The spelling of 6636343 in words is "six million, six hundred thirty-six thousand, three hundred forty-three".