629684 has 18 divisors (see below), whose sum is σ = 1212162. Its totient is φ = 286000.

The previous prime is 629683. The next prime is 629687. The reversal of 629684 is 486926.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 302500 = 572^2 + 550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167 + ... + 1134.

2⁶²⁹⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

629684 is a deficient number, since it is larger than the sum of its proper divisors (582478).

629684 is a wasteful number, since it uses less digits than its factorization.

629684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1314 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 629684 is about 793.5263070623. The cubic root of 629684 is about 85.7118533701.

The spelling of 629684 in words is "six hundred twenty-nine thousand, six hundred eighty-four".