63398280 has 64 divisors (see below), whose sum is σ = 207489600. Its totient is φ = 15368960.

The previous prime is 63398267. The next prime is 63398329. The reversal of 63398280 is 8289336.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22695 + ... + 25334.

It is an arithmetic number, because the mean of its divisors is an integer number (3242025).

Almost surely, 2^63398280 is an apocalyptic number.

63398280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63398280 is an abundant number, since it is smaller than the sum of its proper divisors (144091320).

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

63398280 is a wasteful number, since it uses less digits than its factorization.

63398280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48054 (or 48050 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 63398280 is about 7962.3036867480. The cubic root of 63398280 is about 398.7424673387.

The spelling of 63398280 in words is "sixty-three million, three hundred ninety-eight thousand, two hundred eighty".