63870498 has 16 divisors (see below), whose sum is σ = 141934560. Its totient is φ = 21290148.

The previous prime is 63870493. The next prime is 63870529. The reversal of 63870498 is 89407836.

It is a happy number.

63870498 is a `hidden beast` number, since 638 + 7 + 0 + 4 + 9 + 8 = 666.

63870498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63870493) 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, 591340 + ... + 591447.

It is an arithmetic number, because the mean of its divisors is an integer number (8870910).

Almost surely, 2^63870498 is an apocalyptic number.

63870498 is an abundant number, since it is smaller than the sum of its proper divisors (78064062).

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

63870498 is a wasteful number, since it uses less digits than its factorization.

63870498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182798 (or 1182792 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 63870498 is about 7991.9020264265. The cubic root of 63870498 is about 399.7300219873.

The spelling of 63870498 in words is "sixty-three million, eight hundred seventy thousand, four hundred ninety-eight".