63984370 has 8 divisors (see below), whose sum is σ = 115171884. Its totient is φ = 25593744.

The previous prime is 63984337. The next prime is 63984373. The reversal of 63984370 is 7348936.

63984370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62837329 + 1147041 = 7927^2 + 1071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63984373) 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 3 ways as a sum of consecutive naturals, for example, 3199209 + ... + 3199228.

Almost surely, 2^63984370 is an apocalyptic number.

63984370 is a deficient number, since it is larger than the sum of its proper divisors (51187514).

63984370 is a wasteful number, since it uses less digits than its factorization.

63984370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398444.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 63984370 is about 7999.0230653499. The cubic root of 63984370 is about 399.9674348488.

The spelling of 63984370 in words is "sixty-three million, nine hundred eighty-four thousand, three hundred seventy".