63384738 has 16 divisors (see below), whose sum is σ = 134226720. Its totient is φ = 19885376.

The previous prime is 63384733. The next prime is 63384773. The reversal of 63384738 is 83748336.

63384738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63384738² = 8035250022657288, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63384738.

It is not an unprimeable number, because it can be changed into a prime (63384731) 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 7 ways as a sum of consecutive naturals, for example, 310608 + ... + 310811.

It is an arithmetic number, because the mean of its divisors is an integer number (8389170).

Almost surely, 2^63384738 is an apocalyptic number.

63384738 is an abundant number, since it is smaller than the sum of its proper divisors (70841982).

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

63384738 is a wasteful number, since it uses less digits than its factorization.

63384738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621441.

The product of its digits is 290304, while the sum is 42.

The square root of 63384738 is about 7961.4532592988. The cubic root of 63384738 is about 398.7140745863.

The spelling of 63384738 in words is "sixty-three million, three hundred eighty-four thousand, seven hundred thirty-eight".