28336449 has 16 divisors (see below), whose sum is σ = 39481344. Its totient is φ = 18056400.

The previous prime is 28336439. The next prime is 28336457. The reversal of 28336449 is 94463382.

It is not a de Polignac number, because 28336449 - 2⁵ = 28336417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28336439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5884 + ... + 9554.

It is an arithmetic number, because the mean of its divisors is an integer number (2467584).

Almost surely, 2^28336449 is an apocalyptic number.

It is an amenable number.

28336449 is a deficient number, since it is larger than the sum of its proper divisors (11144895).

28336449 is a wasteful number, since it uses less digits than its factorization.

28336449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its digits is 124416, while the sum is 39.

The square root of 28336449 is about 5323.1991321009. The cubic root of 28336449 is about 304.8703166314.

The spelling of 28336449 in words is "twenty-eight million, three hundred thirty-six thousand, four hundred forty-nine".