28336847 has 24 divisors (see below), whose sum is σ = 37866240. Its totient is φ = 20910960.

The previous prime is 28336837. The next prime is 28336849. The reversal of 28336847 is 74863382.

It is not a de Polignac number, because 28336847 - 2⁴ = 28336831 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28336849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8858 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (1577760).

Almost surely, 2^28336847 is an apocalyptic number.

28336847 is a deficient number, since it is larger than the sum of its proper divisors (9529393).

28336847 is a wasteful number, since it uses less digits than its factorization.

28336847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2804 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 28336847 is about 5323.2365155045. The cubic root of 28336847 is about 304.8717439782.

The spelling of 28336847 in words is "twenty-eight million, three hundred thirty-six thousand, eight hundred forty-seven".