629679 has 8 divisors (see below), whose sum is σ = 883840. Its totient is φ = 397656.

The previous prime is 629653. The next prime is 629683. The reversal of 629679 is 976926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-629679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629609) 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 7 ways as a sum of consecutive naturals, for example, 5467 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (110480).

2⁶²⁹⁶⁷⁹ is an apocalyptic number.

629679 is a deficient number, since it is larger than the sum of its proper divisors (254161).

629679 is a wasteful number, since it uses less digits than its factorization.

629679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069.

The product of its digits is 40824, while the sum is 39.

The square root of 629679 is about 793.5231565619. The cubic root of 629679 is about 85.7116265048.

The spelling of 629679 in words is "six hundred twenty-nine thousand, six hundred seventy-nine".