428934 has 32 divisors (see below), whose sum is σ = 959616. Its totient is φ = 126720.

The previous prime is 428899. The next prime is 428951. The reversal of 428934 is 439824.

It is a happy number.

428934 is nontrivially palindromic in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374 + ... + 4470.

It is an arithmetic number, because the mean of its divisors is an integer number (29988).

2⁴²⁸⁹³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479808).

428934 is an abundant number, since it is smaller than the sum of its proper divisors (530682).

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

428934 is a wasteful number, since it uses less digits than its factorization.

428934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

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

The square root of 428934 is about 654.9305306672. The cubic root of 428934 is about 75.4159994379.

The spelling of 428934 in words is "four hundred twenty-eight thousand, nine hundred thirty-four".