63803385 has 24 divisors (see below), whose sum is σ = 110844864. Its totient is φ = 33950880.

The previous prime is 63803381. The next prime is 63803401. The reversal of 63803385 is 58330836.

It is not a de Polignac number, because 63803385 - 2² = 63803381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63803381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22180 + ... + 24890.

It is an arithmetic number, because the mean of its divisors is an integer number (4618536).

Almost surely, 2^63803385 is an apocalyptic number.

It is an amenable number.

63803385 is a deficient number, since it is larger than the sum of its proper divisors (47041479).

63803385 is a wasteful number, since it uses less digits than its factorization.

63803385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 63803385 is about 7987.7021101190. The cubic root of 63803385 is about 399.5899652390.

The spelling of 63803385 in words is "sixty-three million, eight hundred three thousand, three hundred eighty-five".