428484 has 24 divisors (see below), whose sum is σ = 1142848. Its totient is φ = 122400.

The previous prime is 428473. The next prime is 428489. The reversal of 428484 is 484824.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428484.

It is not an unprimeable number, because it can be changed into a prime (428489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 2634.

2⁴²⁸⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

428484 is an abundant number, since it is smaller than the sum of its proper divisors (714364).

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

428484 is a wasteful number, since it uses less digits than its factorization.

428484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115 (or 5113 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 428484 is about 654.5868926277. The cubic root of 428484 is about 75.3896169217.

The spelling of 428484 in words is "four hundred twenty-eight thousand, four hundred eighty-four".