429085 has 4 divisors (see below), whose sum is σ = 514908. Its totient is φ = 343264.

The previous prime is 429083. The next prime is 429101. The reversal of 429085 is 580924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 251001 = 422^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 429085 - 2¹ = 429083 is a prime.

It is a super-2 number, since 2×429085² = 368227874450, which contains 22 as substring.

It is a Duffinian number.

429085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42904 + ... + 42913.

It is an arithmetic number, because the mean of its divisors is an integer number (128727).

2⁴²⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

429085 is a deficient number, since it is larger than the sum of its proper divisors (85823).

429085 is an equidigital number, since it uses as much as digits as its factorization.

429085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85822.

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

The square root of 429085 is about 655.0457999255. The cubic root of 429085 is about 75.4248481029.

The spelling of 429085 in words is "four hundred twenty-nine thousand, eighty-five".