629688 has 16 divisors (see below), whose sum is σ = 1574280. Its totient is φ = 209888.

The previous prime is 629687. The next prime is 629689. The reversal of 629688 is 886926.

It is an interprime number because it is at equal distance from previous prime (629687) and next prime (629689).

It is a plaindrome in base 14.

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 3 ways as a sum of consecutive naturals, for example, 13095 + ... + 13142.

2⁶²⁹⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

629688 is an abundant number, since it is smaller than the sum of its proper divisors (944592).

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

629688 is a wasteful number, since it uses less digits than its factorization.

629688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246 (or 26242 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 629688 is about 793.5288274537. The cubic root of 629688 is about 85.7120348615.

The spelling of 629688 in words is "six hundred twenty-nine thousand, six hundred eighty-eight".