63948634 has 16 divisors (see below), whose sum is σ = 98019072. Its totient is φ = 31279248.

The previous prime is 63948593. The next prime is 63948667. The reversal of 63948634 is 43684936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48427 + ... + 49729.

It is an arithmetic number, because the mean of its divisors is an integer number (6126192).

Almost surely, 2^63948634 is an apocalyptic number.

63948634 is a deficient number, since it is larger than the sum of its proper divisors (34070438).

63948634 is a wasteful number, since it uses less digits than its factorization.

63948634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

The product of its digits is 373248, while the sum is 43.

The square root of 63948634 is about 7996.7889805846. The cubic root of 63948634 is about 399.8929588580.

The spelling of 63948634 in words is "sixty-three million, nine hundred forty-eight thousand, six hundred thirty-four".