6363636 has 12 divisors (see below), whose sum is σ = 14848512. Its totient is φ = 2121208.

The previous prime is 6363619. The next prime is 6363647.

6363636 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

6363636 is an undulating number in base 10.

6363636 is a modest number, since divided by 3636 gives 636 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 6363597 and 6363606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265140 + ... + 265163.

It is an arithmetic number, because the mean of its divisors is an integer number (1237376).

Almost surely, 2^6363636 is an apocalyptic number.

It is an amenable number.

6363636 is an abundant number, since it is smaller than the sum of its proper divisors (8484876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6363636 is a wasteful number, since it uses less digits than its factorization.

6363636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530310 (or 530308 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

The square root of 6363636 is about 2522.6248234726. The cubic root of 6363636 is about 185.3112462105.

The spelling of 6363636 in words is "six million, three hundred sixty-three thousand, six hundred thirty-six".