63806385 has 8 divisors (see below), whose sum is σ = 102090240. Its totient is φ = 34030064.

The previous prime is 63806381. The next prime is 63806399. The reversal of 63806385 is 58360836.

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

It is a cyclic number.

It is not a de Polignac number, because 63806385 - 2² = 63806381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63806381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126865 + ... + 2126894.

It is an arithmetic number, because the mean of its divisors is an integer number (12761280).

Almost surely, 2^63806385 is an apocalyptic number.

It is an amenable number.

63806385 is a deficient number, since it is larger than the sum of its proper divisors (38283855).

63806385 is a wasteful number, since it uses less digits than its factorization.

63806385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253767.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 63806385 is about 7987.8898965872. The cubic root of 63806385 is about 399.5962279742.

The spelling of 63806385 in words is "sixty-three million, eight hundred six thousand, three hundred eighty-five".