28838678 has 16 divisors (see below), whose sum is σ = 48082896. Its totient is φ = 12860640.

The previous prime is 28838671. The next prime is 28838687. The reversal of 28838678 is 87683882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28838671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11201 + ... + 13532.

It is an arithmetic number, because the mean of its divisors is an integer number (3005181).

Almost surely, 2^28838678 is an apocalyptic number.

28838678 is a deficient number, since it is larger than the sum of its proper divisors (19244218).

28838678 is a wasteful number, since it uses less digits than its factorization.

28838678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24799.

The product of its digits is 1032192, while the sum is 50.

The square root of 28838678 is about 5370.1655467965. The cubic root of 28838678 is about 306.6609306321.

The spelling of 28838678 in words is "twenty-eight million, eight hundred thirty-eight thousand, six hundred seventy-eight".