28546816 has 36 divisors (see below), whose sum is σ = 59991400. Its totient is φ = 13519872.

The previous prime is 28546799. The next prime is 28546829. The reversal of 28546816 is 61864582.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930 + ... + 7798.

Almost surely, 2^28546816 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 28546816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29995700).

28546816 is an abundant number, since it is smaller than the sum of its proper divisors (31444584).

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

28546816 is an equidigital number, since it uses as much as digits as its factorization.

28546816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904 (or 5890 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 28546816 is about 5342.9220469702. The cubic root of 28546816 is about 305.6228997030.

The spelling of 28546816 in words is "twenty-eight million, five hundred forty-six thousand, eight hundred sixteen".