629447 has 8 divisors (see below), whose sum is σ = 774816. Its totient is φ = 497952.

The previous prime is 629429. The next prime is 629449. The reversal of 629447 is 744926.

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

It is not a de Polignac number, because 629447 - 2⁶ = 629383 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629449) 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 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (96852).

2⁶²⁹⁴⁴⁷ is an apocalyptic number.

629447 is a deficient number, since it is larger than the sum of its proper divisors (145369).

629447 is a wasteful number, since it uses less digits than its factorization.

629447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937.

The product of its digits is 12096, while the sum is 32.

The square root of 629447 is about 793.3769595848. The cubic root of 629447 is about 85.7010986327.

The spelling of 629447 in words is "six hundred twenty-nine thousand, four hundred forty-seven".