28449848 has 16 divisors (see below), whose sum is σ = 60964080. Its totient is φ = 12192768.

The previous prime is 28449833. The next prime is 28449871. The reversal of 28449848 is 84894482.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 253961 + ... + 254072.

It is an arithmetic number, because the mean of its divisors is an integer number (3810255).

Almost surely, 2^28449848 is an apocalyptic number.

28449848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28449848 is an abundant number, since it is smaller than the sum of its proper divisors (32514232).

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

28449848 is a wasteful number, since it uses less digits than its factorization.

28449848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508046 (or 508042 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 28449848 is about 5333.8398926102. The cubic root of 28449848 is about 305.2764598956.

The spelling of 28449848 in words is "twenty-eight million, four hundred forty-nine thousand, eight hundred forty-eight".