28484544 has 56 divisors (see below), whose sum is σ = 82222848. Its totient is φ = 8631040.

The previous prime is 28484543. The next prime is 28484549. The reversal of 28484544 is 44548482.

It is a super-2 number, since 2×28484544² = 1622738493775872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28484543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632 + ... + 8855.

Almost surely, 2^28484544 is an apocalyptic number.

28484544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28484544 is an abundant number, since it is smaller than the sum of its proper divisors (53738304).

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

28484544 is a wasteful number, since it uses less digits than its factorization.

28484544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13513 (or 13503 counting only the distinct ones).

The product of its digits is 163840, while the sum is 39.

The square root of 28484544 is about 5337.0913426697. The cubic root of 28484544 is about 305.4005094065.

The spelling of 28484544 in words is "twenty-eight million, four hundred eighty-four thousand, five hundred forty-four".