629992 has 16 divisors (see below), whose sum is σ = 1288800. Its totient is φ = 286320.

The previous prime is 629989. The next prime is 630017. The reversal of 629992 is 299926.

629992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (80550).

2⁶²⁹⁹⁹² is an apocalyptic number.

It is an amenable number.

629992 is an abundant number, since it is smaller than the sum of its proper divisors (658808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629992 is a wasteful number, since it uses less digits than its factorization.

629992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 7172 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 629992 is about 793.7203537771. The cubic root of 629992 is about 85.7258259594.

It can be divided in two parts, 62999 and 2, that added together give a square (63001 = 251²).

The spelling of 629992 in words is "six hundred twenty-nine thousand, nine hundred ninety-two".