63386399 has 4 divisors (see below), whose sum is σ = 63444264. Its totient is φ = 63328536.

The previous prime is 63386371. The next prime is 63386417. The reversal of 63386399 is 99368336.

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

It is a cyclic number.

It is not a de Polignac number, because 63386399 - 2¹² = 63382303 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63386329) 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, 27257 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (15861066).

Almost surely, 2^63386399 is an apocalyptic number.

63386399 is a deficient number, since it is larger than the sum of its proper divisors (57865).

63386399 is a wasteful number, since it uses less digits than its factorization.

63386399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57864.

The product of its digits is 629856, while the sum is 47.

The square root of 63386399 is about 7961.5575737415. The cubic root of 63386399 is about 398.7175573295.

The spelling of 63386399 in words is "sixty-three million, three hundred eighty-six thousand, three hundred ninety-nine".