629899 has 2 divisors, whose sum is σ = 629900. Its totient is φ = 629898.

The previous prime is 629897. The next prime is 629903. The reversal of 629899 is 998926.

629899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629899 - 2¹ = 629897 is a prime.

Together with 629897, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (629891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314949 + 314950.

It is an arithmetic number, because the mean of its divisors is an integer number (314950).

2⁶²⁹⁸⁹⁹ is an apocalyptic number.

629899 is a deficient number, since it is larger than the sum of its proper divisors (1).

629899 is an equidigital number, since it uses as much as digits as its factorization.

629899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 629899 is about 793.6617667495. The cubic root of 629899 is about 85.7216074433.

The spelling of 629899 in words is "six hundred twenty-nine thousand, eight hundred ninety-nine".