629629636 has 12 divisors (see below), whose sum is σ = 1108008720. Its totient is φ = 313055720.

The previous prime is 629629631. The next prime is 629629681. The reversal of 629629636 is 636926926.

It is a self number, because there is not a number n which added to its sum of digits gives 629629636.

It is not an unprimeable number, because it can be changed into a prime (629629631) 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 3 ways as a sum of consecutive naturals, for example, 438970 + ... + 440401.

It is an arithmetic number, because the mean of its divisors is an integer number (92334060).

Almost surely, 2^629629636 is an apocalyptic number.

It is an amenable number.

629629636 is a deficient number, since it is larger than the sum of its proper divisors (478379084).

629629636 is a wasteful number, since it uses less digits than its factorization.

629629636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879554 (or 879552 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 49.

The square root of 629629636 is about 25092.4218839075. The cubic root of 629629636 is about 857.0938664433.

The spelling of 629629636 in words is "six hundred twenty-nine million, six hundred twenty-nine thousand, six hundred thirty-six".