429945 has 8 divisors (see below), whose sum is σ = 687936. Its totient is φ = 229296.

The previous prime is 429943. The next prime is 429953. The reversal of 429945 is 549924.

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

It is not a de Polignac number, because 429945 - 2¹ = 429943 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

429945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (429943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14317 + ... + 14346.

It is an arithmetic number, because the mean of its divisors is an integer number (85992).

2⁴²⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

429945 is a deficient number, since it is larger than the sum of its proper divisors (257991).

429945 is a wasteful number, since it uses less digits than its factorization.

429945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671.

The product of its digits is 12960, while the sum is 33.

The square root of 429945 is about 655.7019139823. The cubic root of 429945 is about 75.4752049334.

The spelling of 429945 in words is "four hundred twenty-nine thousand, nine hundred forty-five".