429805 has 8 divisors (see below), whose sum is σ = 523872. Its totient is φ = 338448.

The previous prime is 429797. The next prime is 429817. The reversal of 429805 is 508924.

It is a happy number.

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 429805 - 2³ = 429797 is a prime.

It is a Duffinian number.

It is a congruent 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, 307 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (65484).

2⁴²⁹⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

429805 is a deficient number, since it is larger than the sum of its proper divisors (94067).

429805 is a wasteful number, since it uses less digits than its factorization.

429805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 429805 is about 655.5951494634. The cubic root of 429805 is about 75.4670118887.

The spelling of 429805 in words is "four hundred twenty-nine thousand, eight hundred five".