28289596 has 6 divisors (see below), whose sum is σ = 49506800. Its totient is φ = 14144796.

The previous prime is 28289579. The next prime is 28289603. The reversal of 28289596 is 69598282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536196 + ... + 3536203.

Almost surely, 2^28289596 is an apocalyptic number.

It is an amenable number.

28289596 is a deficient number, since it is larger than the sum of its proper divisors (21217204).

28289596 is a wasteful number, since it uses less digits than its factorization.

28289596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072403 (or 7072401 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 28289596 is about 5318.7964804080. The cubic root of 28289596 is about 304.7021943086.

The spelling of 28289596 in words is "twenty-eight million, two hundred eighty-nine thousand, five hundred ninety-six".