429869 has 4 divisors (see below), whose sum is σ = 468960. Its totient is φ = 390780.

The previous prime is 429853. The next prime is 429881. The reversal of 429869 is 968924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 429869 - 2⁴ = 429853 is a prime.

It is a super-2 number, since 2×429869² = 369574714322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19529 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (117240).

2⁴²⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

429869 is a deficient number, since it is larger than the sum of its proper divisors (39091).

429869 is a wasteful number, since it uses less digits than its factorization.

429869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39090.

The product of its digits is 31104, while the sum is 38.

The square root of 429869 is about 655.6439582578. The cubic root of 429869 is about 75.4707575012.

The spelling of 429869 in words is "four hundred twenty-nine thousand, eight hundred sixty-nine".