28599249 has 32 divisors (see below), whose sum is σ = 45527040. Its totient is φ = 15624000.

The previous prime is 28599239. The next prime is 28599271. The reversal of 28599249 is 94299582.

It is a happy number.

It is not a de Polignac number, because 28599249 - 2⁷ = 28599121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28599198 and 28599207.

It is not an unprimeable number, because it can be changed into a prime (28599239) 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 31 ways as a sum of consecutive naturals, for example, 91804 + ... + 92114.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^28599249 is an apocalyptic number.

28599249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

28599249 is a deficient number, since it is larger than the sum of its proper divisors (16927791).

28599249 is a wasteful number, since it uses less digits than its factorization.

28599249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 466560, while the sum is 48.

The square root of 28599249 is about 5347.8265678685. The cubic root of 28599249 is about 305.8099015789.

The spelling of 28599249 in words is "twenty-eight million, five hundred ninety-nine thousand, two hundred forty-nine".