28546288 has 40 divisors (see below), whose sum is σ = 58012160. Its totient is φ = 13590720.

The previous prime is 28546253. The next prime is 28546307. The reversal of 28546288 is 88264582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32803 + ... + 33661.

It is an arithmetic number, because the mean of its divisors is an integer number (1450304).

Almost surely, 2^28546288 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 28546288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29006080).

28546288 is an abundant number, since it is smaller than the sum of its proper divisors (29465872).

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

28546288 is a wasteful number, since it uses less digits than its factorization.

28546288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 959 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 28546288 is about 5342.8726355772. The cubic root of 28546288 is about 305.6210154311.

The spelling of 28546288 in words is "twenty-eight million, five hundred forty-six thousand, two hundred eighty-eight".