629656 has 8 divisors (see below), whose sum is σ = 1180620. Its totient is φ = 314824.

The previous prime is 629653. The next prime is 629683. The reversal of 629656 is 656926.

629656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39346 + ... + 39361.

2⁶²⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

629656 is a deficient number, since it is larger than the sum of its proper divisors (550964).

629656 is a wasteful number, since it uses less digits than its factorization.

629656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78713 (or 78709 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 629656 is about 793.5086640989. The cubic root of 629656 is about 85.7105829088.

The spelling of 629656 in words is "six hundred twenty-nine thousand, six hundred fifty-six".