28562016 has 96 divisors (see below), whose sum is σ = 90236160. Its totient is φ = 7727616.

The previous prime is 28561999. The next prime is 28562029. The reversal of 28562016 is 61026582.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11650 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (939960).

Almost surely, 2^28562016 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 28562016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45118080).

28562016 is an abundant number, since it is smaller than the sum of its proper divisors (61674144).

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

28562016 is a wasteful number, since it uses less digits than its factorization.

28562016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28562016 is about 5344.3443002861. The cubic root of 28562016 is about 305.6771339337.

Adding to 28562016 its reverse (61026582), we get a palindrome (89588598).

The spelling of 28562016 in words is "twenty-eight million, five hundred sixty-two thousand, sixteen".