429872 has 20 divisors (see below), whose sum is σ = 847416. Its totient is φ = 211200.

The previous prime is 429853. The next prime is 429881. The reversal of 429872 is 278924.

429872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

429872 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 in 3 ways as a sum of consecutive naturals, for example, 872 + ... + 1272.

2⁴²⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

429872 is a deficient number, since it is larger than the sum of its proper divisors (417544).

429872 is a wasteful number, since it uses less digits than its factorization.

429872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 429872 is about 655.6462460809. The cubic root of 429872 is about 75.4709330677.

The spelling of 429872 in words is "four hundred twenty-nine thousand, eight hundred seventy-two".