428034 has 8 divisors (see below), whose sum is σ = 856080. Its totient is φ = 142676.

The previous prime is 428033. The next prime is 428039. The reversal of 428034 is 430824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

428034 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 428034.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428034.

It is not an unprimeable number, because it can be changed into a prime (428033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35664 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (107010).

2⁴²⁸⁰³⁴ is an apocalyptic number.

428034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428034 is a wasteful number, since it uses less digits than its factorization.

428034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71344.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 428034 is about 654.2430740940. The cubic root of 428034 is about 75.3632159274.

Adding to 428034 its reverse (430824), we get a palindrome (858858).

The spelling of 428034 in words is "four hundred twenty-eight thousand, thirty-four".