428334 has 8 divisors (see below), whose sum is σ = 856680. Its totient is φ = 142776.

The previous prime is 428303. The next prime is 428339. The reversal of 428334 is 433824.

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

428334 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35689 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (107085).

2⁴²⁸³³⁴ is an apocalyptic number.

428334 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.

428334 is a wasteful number, since it uses less digits than its factorization.

428334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71394.

The product of its digits is 2304, while the sum is 24.

The square root of 428334 is about 654.4723065188. The cubic root of 428334 is about 75.3808186449.

The spelling of 428334 in words is "four hundred twenty-eight thousand, three hundred thirty-four".