28554816 has 28 divisors (see below), whose sum is σ = 75551792. Its totient is φ = 9518208.

The previous prime is 28554811. The next prime is 28554817. The reversal of 28554816 is 61845582.

It is not an unprimeable number, because it can be changed into a prime (28554811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74170 + ... + 74553.

Almost surely, 2^28554816 is an apocalyptic number.

It is an amenable number.

28554816 is an abundant number, since it is smaller than the sum of its proper divisors (46996976).

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

28554816 is a wasteful number, since it uses less digits than its factorization.

28554816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148738 (or 148728 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 28554816 is about 5343.6706485336. The cubic root of 28554816 is about 305.6514464341.

The spelling of 28554816 in words is "twenty-eight million, five hundred fifty-four thousand, eight hundred sixteen".