28683344 has 10 divisors (see below), whose sum is σ = 55574010. Its totient is φ = 14341664.

The previous prime is 28683341. The next prime is 28683353. The reversal of 28683344 is 44338682.

It can be written as a sum of positive squares in only one way, i.e., 16711744 + 11971600 = 4088^2 + 3460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28683298 and 28683307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28683341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 896339 + ... + 896370.

It is an arithmetic number, because the mean of its divisors is an integer number (5557401).

Almost surely, 2^28683344 is an apocalyptic number.

It is an amenable number.

28683344 is a deficient number, since it is larger than the sum of its proper divisors (26890666).

28683344 is a wasteful number, since it uses less digits than its factorization.

28683344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792717 (or 1792711 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 28683344 is about 5355.6833364194. The cubic root of 28683344 is about 306.1093490466.

The spelling of 28683344 in words is "twenty-eight million, six hundred eighty-three thousand, three hundred forty-four".