629405 has 16 divisors (see below), whose sum is σ = 883200. Its totient is φ = 430416.

The previous prime is 629401. The next prime is 629411. The reversal of 629405 is 504926.

It is not a de Polignac number, because 629405 - 2² = 629401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629401) 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 15 ways as a sum of consecutive naturals, for example, 1532 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (55200).

2⁶²⁹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

629405 is a deficient number, since it is larger than the sum of its proper divisors (253795).

629405 is an equidigital number, since it uses as much as digits as its factorization.

629405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 629405 is about 793.3504900106. The cubic root of 629405 is about 85.6991924482.

The spelling of 629405 in words is "six hundred twenty-nine thousand, four hundred five".