629629 has 32 divisors (see below), whose sum is σ = 919296. Its totient is φ = 414720.

The previous prime is 629623. The next prime is 629653. The reversal of 629629 is 926926.

It is a cyclic number.

It is not a de Polignac number, because 629629 - 2¹⁵ = 596861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 629594 and 629603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629623) 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 31 ways as a sum of consecutive naturals, for example, 16999 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁶²⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

629629 is a deficient number, since it is larger than the sum of its proper divisors (289667).

629629 is a wasteful number, since it uses less digits than its factorization.

629629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85.

The product of its digits is 11664, while the sum is 34.

The square root of 629629 is about 793.4916508697. The cubic root of 629629 is about 85.7093577855.

The spelling of 629629 in words is "six hundred twenty-nine thousand, six hundred twenty-nine".