629641 has 8 divisors (see below), whose sum is σ = 684800. Its totient is φ = 576720.

The previous prime is 629623. The next prime is 629653. The reversal of 629641 is 146926.

629641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 629641 - 2⁵ = 629609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (85600).

2⁶²⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

629641 is a deficient number, since it is larger than the sum of its proper divisors (55159).

629641 is a wasteful number, since it uses less digits than its factorization.

629641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its digits is 2592, while the sum is 28.

The square root of 629641 is about 793.4992123500. The cubic root of 629641 is about 85.7099022891.

The spelling of 629641 in words is "six hundred twenty-nine thousand, six hundred forty-one".