63384220 has 12 divisors (see below), whose sum is σ = 133106904. Its totient is φ = 25353680.

The previous prime is 63384199. The next prime is 63384241. The reversal of 63384220 is 2248336.

It is an interprime number because it is at equal distance from previous prime (63384199) and next prime (63384241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584586 + ... + 1584625.

It is an arithmetic number, because the mean of its divisors is an integer number (11092242).

Almost surely, 2^63384220 is an apocalyptic number.

It is an amenable number.

63384220 is an abundant number, since it is smaller than the sum of its proper divisors (69722684).

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

63384220 is a wasteful number, since it uses less digits than its factorization.

63384220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169220 (or 3169218 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 63384220 is about 7961.4207274833. The cubic root of 63384220 is about 398.7129884444.

The spelling of 63384220 in words is "sixty-three million, three hundred eighty-four thousand, two hundred twenty".