28533448 has 24 divisors (see below), whose sum is σ = 55421730. Its totient is φ = 13771520.

The previous prime is 28533433. The next prime is 28533469. The reversal of 28533448 is 84433582.

It can be written as a sum of positive squares in 3 ways, for example, as 28494244 + 39204 = 5338^2 + 198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4608 + ... + 8848.

Almost surely, 2^28533448 is an apocalyptic number.

It is an amenable number.

28533448 is a deficient number, since it is larger than the sum of its proper divisors (26888282).

28533448 is a wasteful number, since it uses less digits than its factorization.

28533448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4272 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 28533448 is about 5341.6708996343. The cubic root of 28533448 is about 305.5751862111.

It can be divided in two parts, 285 and 33448, that added together give a palindrome (33733).

The spelling of 28533448 in words is "twenty-eight million, five hundred thirty-three thousand, four hundred forty-eight".