429438 has 16 divisors (see below), whose sum is σ = 904320. Its totient is φ = 135576.

The previous prime is 429431. The next prime is 429449. The reversal of 429438 is 834924.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 429438.

It is not an unprimeable number, because it can be changed into a prime (429431) 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, 1770 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (56520).

2⁴²⁹⁴³⁸ is an apocalyptic number.

429438 is an abundant number, since it is smaller than the sum of its proper divisors (474882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429438 is a wasteful number, since it uses less digits than its factorization.

429438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its digits is 6912, while the sum is 30.

The square root of 429438 is about 655.3151913393. The cubic root of 429438 is about 75.4455259588.

The spelling of 429438 in words is "four hundred twenty-nine thousand, four hundred thirty-eight".