634664202 has 16 divisors (see below), whose sum is σ = 1270002432. Its totient is φ = 211442400.

The previous prime is 634664189. The next prime is 634664207. The reversal of 634664202 is 202466436.

It is not an unprimeable number, because it can be changed into a prime (634664207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15403 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (79375152).

Almost surely, 2^634664202 is an apocalyptic number.

634664202 is an abundant number, since it is smaller than the sum of its proper divisors (635338230).

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

634664202 is a wasteful number, since it uses less digits than its factorization.

634664202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56173.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 634664202 is about 25192.5425870435. The cubic root of 634664202 is about 859.3722668114.

The spelling of 634664202 in words is "six hundred thirty-four million, six hundred sixty-four thousand, two hundred two".