28364828 has 12 divisors (see below), whose sum is σ = 49743792. Its totient is φ = 14152320.

The previous prime is 28364797. The next prime is 28364839. The reversal of 28364828 is 82846382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (4145316).

Almost surely, 2^28364828 is an apocalyptic number.

It is an amenable number.

28364828 is a deficient number, since it is larger than the sum of its proper divisors (21378964).

28364828 is a wasteful number, since it uses less digits than its factorization.

28364828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052 (or 15050 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 28364828 is about 5325.8640613519. The cubic root of 28364828 is about 304.9720587142.

It can be divided in two parts, 28364 and 828, that added together give a palindrome (29192).

The spelling of 28364828 in words is "twenty-eight million, three hundred sixty-four thousand, eight hundred twenty-eight".