28686796 has 24 divisors (see below), whose sum is σ = 53061120. Its totient is φ = 13542672.

The previous prime is 28686793. The next prime is 28686797. The reversal of 28686796 is 69768682.

It is not an unprimeable number, because it can be changed into a prime (28686793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5295 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880).

Almost surely, 2^28686796 is an apocalyptic number.

It is an amenable number.

28686796 is a deficient number, since it is larger than the sum of its proper divisors (24374324).

28686796 is a wasteful number, since it uses less digits than its factorization.

28686796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4051 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 28686796 is about 5356.0056011920. The cubic root of 28686796 is about 306.1216284968.

The spelling of 28686796 in words is "twenty-eight million, six hundred eighty-six thousand, seven hundred ninety-six".