63995338 has 16 divisors (see below), whose sum is σ = 109273536. Its totient is φ = 27823840.

The previous prime is 63995329. The next prime is 63995339. The reversal of 63995338 is 83359936.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (63995339) 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, 62731 + ... + 63742.

It is an arithmetic number, because the mean of its divisors is an integer number (6829596).

Almost surely, 2^63995338 is an apocalyptic number.

63995338 is a deficient number, since it is larger than the sum of its proper divisors (45278198).

63995338 is a wasteful number, since it uses less digits than its factorization.

63995338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126509.

The product of its digits is 524880, while the sum is 46.

The square root of 63995338 is about 7999.7086196936. The cubic root of 63995338 is about 399.9902872642.

The spelling of 63995338 in words is "sixty-three million, nine hundred ninety-five thousand, three hundred thirty-eight".