63238866 has 16 divisors (see below), whose sum is σ = 127178688. Its totient is φ = 20962800.

The previous prime is 63238849. The next prime is 63238867. The reversal of 63238866 is 66883236.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63238867) 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, 28030 + ... + 30201.

It is an arithmetic number, because the mean of its divisors is an integer number (7948668).

Almost surely, 2^63238866 is an apocalyptic number.

63238866 is an abundant number, since it is smaller than the sum of its proper divisors (63939822).

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

63238866 is a wasteful number, since it uses less digits than its factorization.

63238866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58417.

The product of its digits is 248832, while the sum is 42.

The square root of 63238866 is about 7952.2868409031. The cubic root of 63238866 is about 398.4079762238.

The spelling of 63238866 in words is "sixty-three million, two hundred thirty-eight thousand, eight hundred sixty-six".