63936238 has 8 divisors (see below), whose sum is σ = 95956920. Its totient is φ = 31950600.

The previous prime is 63936233. The next prime is 63936241. The reversal of 63936238 is 83263936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63936238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63936233) 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, 3588 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (11994615).

Almost surely, 2^63936238 is an apocalyptic number.

63936238 is a deficient number, since it is larger than the sum of its proper divisors (32020682).

63936238 is a wasteful number, since it uses less digits than its factorization.

63936238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522.

The product of its digits is 139968, while the sum is 40.

The square root of 63936238 is about 7996.0138819289. The cubic root of 63936238 is about 399.8671183611.

The spelling of 63936238 in words is "sixty-three million, nine hundred thirty-six thousand, two hundred thirty-eight".