28554768 has 100 divisors (see below), whose sum is σ = 90204048. Its totient is φ = 8648640.

The previous prime is 28554767. The next prime is 28554811. The reversal of 28554768 is 86745582.

28554768 is a `hidden beast` number, since 28 + 554 + 76 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28554767) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13255 + ... + 15257.

Almost surely, 2^28554768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28554768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45102024).

28554768 is an abundant number, since it is smaller than the sum of its proper divisors (61649280).

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

28554768 is a wasteful number, since it uses less digits than its factorization.

28554768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2019 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 28554768 is about 5343.6661572370. Note that the first 3 decimals coincide. The cubic root of 28554768 is about 305.6512751696.

The spelling of 28554768 in words is "twenty-eight million, five hundred fifty-four thousand, seven hundred sixty-eight".