28259368 has 16 divisors (see below), whose sum is σ = 53100000. Its totient is φ = 14099376.

The previous prime is 28259353. The next prime is 28259411. The reversal of 28259368 is 86395282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (3318750).

Almost surely, 2^28259368 is an apocalyptic number.

It is an amenable number.

28259368 is a deficient number, since it is larger than the sum of its proper divisors (24840632).

28259368 is a wasteful number, since it uses less digits than its factorization.

28259368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584 (or 7580 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 28259368 is about 5315.9541006295. The cubic root of 28259368 is about 304.5936288319.

The spelling of 28259368 in words is "twenty-eight million, two hundred fifty-nine thousand, three hundred sixty-eight".