629872 has 10 divisors (see below), whose sum is σ = 1220408. Its totient is φ = 314928.

The previous prime is 629861. The next prime is 629873. The reversal of 629872 is 278926.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629873) by changing a digit.

629872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19668 + ... + 19699.

629872 is a Friedman number, since it can be written as 8*(2+6^9/2^7), using all its digits and the basic arithmetic operations.

2⁶²⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

629872 is a deficient number, since it is larger than the sum of its proper divisors (590536).

629872 is a wasteful number, since it uses less digits than its factorization.

629872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39375 (or 39369 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 629872 is about 793.6447568024. The cubic root of 629872 is about 85.7203826351.

The spelling of 629872 in words is "six hundred twenty-nine thousand, eight hundred seventy-two".