63434658 has 32 divisors (see below), whose sum is σ = 149996160. Its totient is φ = 17498880.

The previous prime is 63434653. The next prime is 63434669. The reversal of 63434658 is 85643436.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63434653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24823 + ... + 27258.

It is an arithmetic number, because the mean of its divisors is an integer number (4687380).

Almost surely, 2^63434658 is an apocalyptic number.

63434658 is an abundant number, since it is smaller than the sum of its proper divisors (86561502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63434658 is a wasteful number, since it uses less digits than its factorization.

63434658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52122.

The product of its digits is 207360, while the sum is 39.

The square root of 63434658 is about 7964.5877482767. The cubic root of 63434658 is about 398.8187190390.

The spelling of 63434658 in words is "sixty-three million, four hundred thirty-four thousand, six hundred fifty-eight".