63808290 has 256 divisors, whose sum is σ = 217728000. Its totient is φ = 13208832.

The previous prime is 63808267. The next prime is 63808291. The reversal of 63808290 is 9280836.

63808290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63808291) 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 127 ways as a sum of consecutive naturals, for example, 1203904 + ... + 1203956.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^63808290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63808290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864000).

63808290 is an abundant number, since it is smaller than the sum of its proper divisors (153919710).

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

63808290 is a wasteful number, since it uses less digits than its factorization.

63808290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 63808290 is about 7988.0091387028. The cubic root of 63808290 is about 399.6002047091.

The spelling of 63808290 in words is "sixty-three million, eight hundred eight thousand, two hundred ninety".