453486728 has 12 divisors (see below), whose sum is σ = 850400565. Its totient is φ = 226713248.

The previous prime is 453486721. The next prime is 453486743. The reversal of 453486728 is 827684354.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 440076484 + 13410244 = 20978^2 + 3662^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15058.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453486721) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56468 + ... + 63996.

Almost surely, 2^453486728 is an apocalyptic number.

It is an amenable number.

453486728 is a deficient number, since it is larger than the sum of its proper divisors (396913837).

453486728 is an frugal number, since it uses more digits than its factorization.

453486728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064 (or 7531 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The square root of 453486728 is about 21295.2278222141. The cubic root of 453486728 is about 768.2835369823.

The spelling of 453486728 in words is "four hundred fifty-three million, four hundred eighty-six thousand, seven hundred twenty-eight".