629406 has 24 divisors (see below), whose sum is σ = 1385280. Its totient is φ = 206496.

The previous prime is 629401. The next prime is 629411. The reversal of 629406 is 604926.

It is an interprime number because it is at equal distance from previous prime (629401) and next prime (629411).

It is a self number, because there is not a number n which added to its sum of digits gives 629406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629401) by changing a digit.

629406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 1075 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (57720).

2⁶²⁹⁴⁰⁶ is an apocalyptic number.

629406 is an abundant number, since it is smaller than the sum of its proper divisors (755874).

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

629406 is a wasteful number, since it uses less digits than its factorization.

629406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 629406 is about 793.3511202488. The cubic root of 629406 is about 85.6992378346.

It can be divided in two parts, 629 and 406, that added together give a triangular number (1035 = T₄₅).

The spelling of 629406 in words is "six hundred twenty-nine thousand, four hundred six".