429432 has 32 divisors (see below), whose sum is σ = 1112400. Its totient is φ = 137984.

The previous prime is 429431. The next prime is 429449. The reversal of 429432 is 234924.

It is a happy number.

429432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 388 + ... + 1004.

2⁴²⁹⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556200).

429432 is an abundant number, since it is smaller than the sum of its proper divisors (682968).

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

429432 is a wasteful number, since it uses less digits than its factorization.

429432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 429432 is about 655.3106133735. The cubic root of 429432 is about 75.4451745886.

It can be divided in two parts, 429 and 432, that added together give a triangular number (861 = T₄₁).

The spelling of 429432 in words is "four hundred twenty-nine thousand, four hundred thirty-two".