454728 has 16 divisors (see below), whose sum is σ = 1136880. Its totient is φ = 151568.

The previous prime is 454723. The next prime is 454759. The reversal of 454728 is 827454.

It is a junction number, because it is equal to n+sod(n) for n = 454695 and 454704.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 454728.

It is not an unprimeable number, because it can be changed into a prime (454721) by changing a digit.

454728 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, 9450 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (71055).

2⁴⁵⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

454728 is an abundant number, since it is smaller than the sum of its proper divisors (682152).

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

454728 is a wasteful number, since it uses less digits than its factorization.

454728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956 (or 18952 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 454728 is about 674.3352282063. The cubic root of 454728 is about 76.8983873584.

The spelling of 454728 in words is "four hundred fifty-four thousand, seven hundred twenty-eight".