629993 has 24 divisors (see below), whose sum is σ = 842688. Its totient is φ = 465696.

The previous prime is 629989. The next prime is 630017. The reversal of 629993 is 399926.

It is not a de Polignac number, because 629993 - 2² = 629989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (629903) 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, 14630 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (35112).

2⁶²⁹⁹⁹³ is an apocalyptic number.

It is an amenable number.

629993 is a deficient number, since it is larger than the sum of its proper divisors (212695).

629993 is a wasteful number, since it uses less digits than its factorization.

629993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 86 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 629993 is about 793.7209837216. The cubic root of 629993 is about 85.7258713176.

The spelling of 629993 in words is "six hundred twenty-nine thousand, nine hundred ninety-three".