28475336 has 8 divisors (see below), whose sum is σ = 53391270. Its totient is φ = 14237664.

The previous prime is 28475327. The next prime is 28475341. The reversal of 28475336 is 63357482.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 448900 = 5294^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28475336.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779701 + ... + 1779716.

Almost surely, 2^28475336 is an apocalyptic number.

It is an amenable number.

28475336 is a deficient number, since it is larger than the sum of its proper divisors (24915934).

28475336 is a wasteful number, since it uses less digits than its factorization.

28475336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559423 (or 3559419 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 28475336 is about 5336.2286307841. The cubic root of 28475336 is about 305.3675976286.

The spelling of 28475336 in words is "twenty-eight million, four hundred seventy-five thousand, three hundred thirty-six".