28683536 has 40 divisors (see below), whose sum is σ = 64876800. Its totient is φ = 12029184.

The previous prime is 28683517. The next prime is 28683541. The reversal of 28683536 is 63538682.

28683536 is nontrivially palindromic in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 28683493 and 28683502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (1621920).

Almost surely, 2^28683536 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 28683536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32438400).

28683536 is an abundant number, since it is smaller than the sum of its proper divisors (36193264).

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

28683536 is a wasteful number, since it uses less digits than its factorization.

28683536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5505 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 28683536 is about 5355.7012612729. The cubic root of 28683536 is about 306.1100320546.

The spelling of 28683536 in words is "twenty-eight million, six hundred eighty-three thousand, five hundred thirty-six".