63563238 has 48 divisors (see below), whose sum is σ = 150086160. Its totient is φ = 19936512.

The previous prime is 63563231. The next prime is 63563261. The reversal of 63563238 is 83236536.

It is a happy number.

63563238 is a `hidden beast` number, since 63 + 563 + 2 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63563231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13570 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (3126795).

Almost surely, 2^63563238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63563238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75043080).

63563238 is an abundant number, since it is smaller than the sum of its proper divisors (86522922).

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

63563238 is a wasteful number, since it uses less digits than its factorization.

63563238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4095 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 63563238 is about 7972.6556428834. The cubic root of 63563238 is about 399.0880013933.

The spelling of 63563238 in words is "sixty-three million, five hundred sixty-three thousand, two hundred thirty-eight".