629830 has 8 divisors (see below), whose sum is σ = 1133712. Its totient is φ = 251928.

The previous prime is 629819. The next prime is 629843. The reversal of 629830 is 38926.

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

It is a congruent number.

It is an unprimeable number.

629830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31482 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (141714).

2⁶²⁹⁸³⁰ is an apocalyptic number.

629830 is a deficient number, since it is larger than the sum of its proper divisors (503882).

629830 is a wasteful number, since it uses less digits than its factorization.

629830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62990.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 629830 is about 793.6182961601. The cubic root of 629830 is about 85.7184773082.

It can be divided in two parts, 6298 and 30, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 629830 in words is "six hundred twenty-nine thousand, eight hundred thirty".