481428 has 36 divisors (see below), whose sum is σ = 1249248. Its totient is φ = 156240.

The previous prime is 481417. The next prime is 481433. The reversal of 481428 is 824184.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481428.

It is an unprimeable number.

481428 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 11 ways as a sum of consecutive naturals, for example, 1393 + ... + 1703.

2⁴⁸¹⁴²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624624).

481428 is an abundant number, since it is smaller than the sum of its proper divisors (767820).

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

481428 is a wasteful number, since it uses less digits than its factorization.

481428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 481428 is about 693.8501279095. The cubic root of 481428 is about 78.3749208274.

It can be divided in two parts, 481 and 428, that added together give a palindrome (909).

The spelling of 481428 in words is "four hundred eighty-one thousand, four hundred twenty-eight".