1028453484 has 24 divisors (see below), whose sum is σ = 2435543488. Its totient is φ = 337700880.

The previous prime is 1028453449. The next prime is 1028453501. The reversal of 1028453484 is 4843548201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638782 + ... + 640389.

Almost surely, 2^1028453484 is an apocalyptic number.

It is an amenable number.

1028453484 is an abundant number, since it is smaller than the sum of its proper divisors (1407090004).

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

1028453484 is a wasteful number, since it uses less digits than its factorization.

1028453484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279245 (or 1279243 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 1028453484 is about 32069.5101927048. The cubic root of 1028453484 is about 1009.3959345778.

The spelling of 1028453484 in words is "one billion, twenty-eight million, four hundred fifty-three thousand, four hundred eighty-four".