38636363 has 4 divisors (see below), whose sum is σ = 39269808. Its totient is φ = 38002920.

The previous prime is 38636357. The next prime is 38636371. The reversal of 38636363 is 36363683.

It is a happy number.

38636363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38636363 - 2⁸ = 38636107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38636383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316631 + ... + 316752.

It is an arithmetic number, because the mean of its divisors is an integer number (9817452).

Almost surely, 2^38636363 is an apocalyptic number.

38636363 is a deficient number, since it is larger than the sum of its proper divisors (633445).

38636363 is an equidigital number, since it uses as much as digits as its factorization.

38636363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633444.

The product of its digits is 139968, while the sum is 38.

The square root of 38636363 is about 6215.8155538915. The cubic root of 38636363 is about 338.0638599972.

The spelling of 38636363 in words is "thirty-eight million, six hundred thirty-six thousand, three hundred sixty-three".