629441 has 4 divisors (see below), whose sum is σ = 656832. Its totient is φ = 602052.

The previous prime is 629429. The next prime is 629449. The reversal of 629441 is 144926.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 629441.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629441.

It is not an unprimeable number, because it can be changed into a prime (629449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13661 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (164208).

2⁶²⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

629441 is a deficient number, since it is larger than the sum of its proper divisors (27391).

629441 is a wasteful number, since it uses less digits than its factorization.

629441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390.

The product of its digits is 1728, while the sum is 26.

The square root of 629441 is about 793.3731782711. The cubic root of 629441 is about 85.7008263258.

The spelling of 629441 in words is "six hundred twenty-nine thousand, four hundred forty-one".