28824554 has 32 divisors (see below), whose sum is σ = 51316416. Its totient is φ = 11992320.

The previous prime is 28824533. The next prime is 28824557. The reversal of 28824554 is 45542882.

It is not an unprimeable number, because it can be changed into a prime (28824557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12797 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (1603638).

Almost surely, 2^28824554 is an apocalyptic number.

28824554 is a deficient number, since it is larger than the sum of its proper divisors (22491862).

28824554 is a wasteful number, since it uses less digits than its factorization.

28824554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150.

The product of its digits is 102400, while the sum is 38.

The square root of 28824554 is about 5368.8503424849. The cubic root of 28824554 is about 306.6108591474.

It can be divided in two parts, 288 and 24554, that added together give a palindrome (24842).

The spelling of 28824554 in words is "twenty-eight million, eight hundred twenty-four thousand, five hundred fifty-four".