629693 has 6 divisors (see below), whose sum is σ = 647514. Its totient is φ = 612144.

The previous prime is 629689. The next prime is 629701. The reversal of 629693 is 396926.

It can be written as a sum of positive squares in 3 ways, for example, as 267289 + 362404 = 517^2 + 602^2 .

It is not a de Polignac number, because 629693 - 2² = 629689 is a prime.

It is a Duffinian number.

Its product of digits (17496) is a multiple of the sum of its prime divisors (162).

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629693.

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 5 ways as a sum of consecutive naturals, for example, 5723 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (107919).

2⁶²⁹⁶⁹³ is an apocalyptic number.

It is an amenable number.

629693 is a deficient number, since it is larger than the sum of its proper divisors (17821).

629693 is an equidigital number, since it uses as much as digits as its factorization.

629693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 162 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 629693 is about 793.5319779316. The cubic root of 629693 is about 85.7122617247.

The spelling of 629693 in words is "six hundred twenty-nine thousand, six hundred ninety-three".