629849 has 4 divisors (see below), whose sum is σ = 687120. Its totient is φ = 572580.

The previous prime is 629843. The next prime is 629857. The reversal of 629849 is 948926.

629849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 629849 - 2⁸ = 629593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629843) 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, 28619 + ... + 28640.

It is an arithmetic number, because the mean of its divisors is an integer number (171780).

629849 is a Friedman number, since it can be written as (6^9/8+4)/2-9, using all its digits and the basic arithmetic operations.

2⁶²⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

629849 is a deficient number, since it is larger than the sum of its proper divisors (57271).

629849 is a wasteful number, since it uses less digits than its factorization.

629849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57270.

The product of its digits is 31104, while the sum is 38.

The square root of 629849 is about 793.6302665599. The cubic root of 629849 is about 85.7193392523.

The spelling of 629849 in words is "six hundred twenty-nine thousand, eight hundred forty-nine".