429985 has 8 divisors (see below), whose sum is σ = 538560. Its totient is φ = 328944.

The previous prime is 429973. The next prime is 429991. The reversal of 429985 is 589924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 429985 - 2⁵ = 429953 is a prime.

429985 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 1984.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁴²⁹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

429985 is a deficient number, since it is larger than the sum of its proper divisors (108575).

429985 is a wasteful number, since it uses less digits than its factorization.

429985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its digits is 25920, while the sum is 37.

The square root of 429985 is about 655.7324149377. The cubic root of 429985 is about 75.4775454766.

The spelling of 429985 in words is "four hundred twenty-nine thousand, nine hundred eighty-five".