63920284 has 12 divisors (see below), whose sum is σ = 113014384. Its totient is φ = 31630464.

The previous prime is 63920281. The next prime is 63920291. The reversal of 63920284 is 48202936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63920281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81984 + ... + 82759.

Almost surely, 2^63920284 is an apocalyptic number.

It is an amenable number.

63920284 is a deficient number, since it is larger than the sum of its proper divisors (49094100).

63920284 is a wasteful number, since it uses less digits than its factorization.

63920284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164844 (or 164842 counting only the distinct ones).

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

The square root of 63920284 is about 7995.0161976071. The cubic root of 63920284 is about 399.8338560000.

The spelling of 63920284 in words is "sixty-three million, nine hundred twenty thousand, two hundred eighty-four".