63838231 has 4 divisors (see below), whose sum is σ = 63889272. Its totient is φ = 63787192.

The previous prime is 63838223. The next prime is 63838237. The reversal of 63838231 is 13283836.

63838231 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 63838231 - 2³ = 63838223 is a prime.

It is a super-2 number, since 2×63838231² = 8150639474418722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63838237) 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, 23596 + ... + 26161.

It is an arithmetic number, because the mean of its divisors is an integer number (15972318).

Almost surely, 2^63838231 is an apocalyptic number.

63838231 is a deficient number, since it is larger than the sum of its proper divisors (51041).

63838231 is a wasteful number, since it uses less digits than its factorization.

63838231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51040.

The product of its digits is 20736, while the sum is 34.

The square root of 63838231 is about 7989.8830404456. The cubic root of 63838231 is about 399.6626968965.

The spelling of 63838231 in words is "sixty-three million, eight hundred thirty-eight thousand, two hundred thirty-one".