63983386 has 4 divisors (see below), whose sum is σ = 95975082. Its totient is φ = 31991692.

The previous prime is 63983377. The next prime is 63983389. The reversal of 63983386 is 68338936.

63983386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48734361 + 15249025 = 6981^2 + 3905^2 .

It is not an unprimeable number, because it can be changed into a prime (63983389) 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 as a sum of consecutive naturals, namely, 15995845 + ... + 15995848.

Almost surely, 2^63983386 is an apocalyptic number.

63983386 is a deficient number, since it is larger than the sum of its proper divisors (31991696).

63983386 is a wasteful number, since it uses less digits than its factorization.

63983386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31991695.

The product of its digits is 559872, while the sum is 46.

The square root of 63983386 is about 7998.9615576023. The cubic root of 63983386 is about 399.9653845045.

The spelling of 63983386 in words is "sixty-three million, nine hundred eighty-three thousand, three hundred eighty-six".