428268 has 24 divisors (see below), whose sum is σ = 1013040. Its totient is φ = 140800.

The previous prime is 428251. The next prime is 428273. The reversal of 428268 is 862824.

It is a happy number.

428268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

428268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (42210).

2⁴²⁸²⁶⁸ is an apocalyptic number.

It is an amenable number.

428268 is an abundant number, since it is smaller than the sum of its proper divisors (584772).

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

428268 is a wasteful number, since it uses less digits than its factorization.

428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 428268 is about 654.4218822747. The cubic root of 428268 is about 75.3769467525.

It can be divided in two parts, 428 and 268, that added together give a palindrome (696).

The spelling of 428268 in words is "four hundred twenty-eight thousand, two hundred sixty-eight".