63968338 has 16 divisors (see below), whose sum is σ = 112624704. Its totient is φ = 26673840.

The previous prime is 63968293. The next prime is 63968339. The reversal of 63968338 is 83386936.

It is not an unprimeable number, because it can be changed into a prime (63968339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61228 + ... + 62263.

It is an arithmetic number, because the mean of its divisors is an integer number (7039044).

Almost surely, 2^63968338 is an apocalyptic number.

63968338 is a deficient number, since it is larger than the sum of its proper divisors (48656366).

63968338 is a wasteful number, since it uses less digits than its factorization.

63968338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123537.

The product of its digits is 559872, while the sum is 46.

The square root of 63968338 is about 7998.0208801928. The cubic root of 63968338 is about 399.9340266194.

The spelling of 63968338 in words is "sixty-three million, nine hundred sixty-eight thousand, three hundred thirty-eight".