28882844 has 6 divisors (see below), whose sum is σ = 50544984. Its totient is φ = 14441420.

The previous prime is 28882837. The next prime is 28882853. The reversal of 28882844 is 44828882.

It is a junction number, because it is equal to n+sod(n) for n = 28882795 and 28882804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610352 + ... + 3610359.

It is an arithmetic number, because the mean of its divisors is an integer number (8424164).

Almost surely, 2^28882844 is an apocalyptic number.

It is an amenable number.

28882844 is a deficient number, since it is larger than the sum of its proper divisors (21662140).

28882844 is a wasteful number, since it uses less digits than its factorization.

28882844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220715 (or 7220713 counting only the distinct ones).

The product of its digits is 262144, while the sum is 44.

The square root of 28882844 is about 5374.2761373044. The cubic root of 28882844 is about 306.8173996445.

The spelling of 28882844 in words is "twenty-eight million, eight hundred eighty-two thousand, eight hundred forty-four".