63489830 has 16 divisors (see below), whose sum is σ = 120296880. Its totient is φ = 24059232.

The previous prime is 63489827. The next prime is 63489847. The reversal of 63489830 is 3898436.

63489830 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 an unprimeable number.

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, 166889 + ... + 167268.

It is an arithmetic number, because the mean of its divisors is an integer number (7518555).

Almost surely, 2^63489830 is an apocalyptic number.

63489830 is a deficient number, since it is larger than the sum of its proper divisors (56807050).

63489830 is a wasteful number, since it uses less digits than its factorization.

63489830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334183.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 63489830 is about 7968.0505771487. The cubic root of 63489830 is about 398.9343091121.

The spelling of 63489830 in words is "sixty-three million, four hundred eighty-nine thousand, eight hundred thirty".