629873 has 2 divisors, whose sum is σ = 629874. Its totient is φ = 629872.

The previous prime is 629861. The next prime is 629891. The reversal of 629873 is 378926.

629873 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 can be written as a sum of positive squares in only one way, i.e., 628849 + 1024 = 793^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 629873 - 2⁴ = 629857 is a prime.

It is a super-2 number, since 2×629873² = 793479992258, which contains 22 as substring.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (629803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314936 + 314937.

It is an arithmetic number, because the mean of its divisors is an integer number (314937).

2⁶²⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

629873 is a deficient number, since it is larger than the sum of its proper divisors (1).

629873 is an equidigital number, since it uses as much as digits as its factorization.

629873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 629873 is about 793.6453868070. The cubic root of 629873 is about 85.7204279990.

The spelling of 629873 in words is "six hundred twenty-nine thousand, eight hundred seventy-three".