28893552 has 20 divisors (see below), whose sum is σ = 74641800. Its totient is φ = 9631168.

The previous prime is 28893517. The next prime is 28893569. The reversal of 28893552 is 25539882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300927 + ... + 301022.

It is an arithmetic number, because the mean of its divisors is an integer number (3732090).

Almost surely, 2^28893552 is an apocalyptic number.

It is an amenable number.

28893552 is an abundant number, since it is smaller than the sum of its proper divisors (45748248).

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

28893552 is a wasteful number, since it uses less digits than its factorization.

28893552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601960 (or 601954 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 28893552 is about 5375.2722721738. The cubic root of 28893552 is about 306.8553113634.

It can be divided in two parts, 2889 and 3552, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 28893552 in words is "twenty-eight million, eight hundred ninety-three thousand, five hundred fifty-two".