63489400 has 48 divisors (see below), whose sum is σ = 158974200. Its totient is φ = 23441280.

The previous prime is 63489397. The next prime is 63489427. The reversal of 63489400 is 498436.

63489400 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 11 ways as a sum of consecutive naturals, for example, 9610 + ... + 14809.

Almost surely, 2^63489400 is an apocalyptic number.

It is an amenable number.

63489400 is an abundant number, since it is smaller than the sum of its proper divisors (95484800).

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

63489400 is a wasteful number, since it uses less digits than its factorization.

63489400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24448 (or 24439 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 63489400 is about 7968.0235943426. The cubic root of 63489400 is about 398.9334084842.

The spelling of 63489400 in words is "sixty-three million, four hundred eighty-nine thousand, four hundred".