629109 has 24 divisors (see below), whose sum is σ = 1033760. Its totient is φ = 365472.

The previous prime is 629081. The next prime is 629113. The reversal of 629109 is 901926.

It is a happy number.

It is not a de Polignac number, because 629109 - 2¹⁵ = 596341 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629009) 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 23 ways as a sum of consecutive naturals, for example, 2082 + ... + 2364.

2⁶²⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

629109 is a deficient number, since it is larger than the sum of its proper divisors (404651).

629109 is a wasteful number, since it uses less digits than its factorization.

629109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 629109 is about 793.1639174849. The cubic root of 629109 is about 85.6857559812.

The spelling of 629109 in words is "six hundred twenty-nine thousand, one hundred nine".