428468 has 12 divisors (see below), whose sum is σ = 794052. Its totient is φ = 201600.

The previous prime is 428429. The next prime is 428471. The reversal of 428468 is 864824.

428468 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 128164 = 548^2 + 358^2 .

It is a congruent number.

It is an unprimeable number.

428468 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 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (66171).

2⁴²⁸⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

428468 is a deficient number, since it is larger than the sum of its proper divisors (365584).

428468 is a wasteful number, since it uses less digits than its factorization.

428468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322 (or 6320 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 428468 is about 654.5746710651. The cubic root of 428468 is about 75.3886785366.

The spelling of 428468 in words is "four hundred twenty-eight thousand, four hundred sixty-eight".