28682235 has 16 divisors (see below), whose sum is σ = 50990880. Its totient is φ = 15297120.

The previous prime is 28682209. The next prime is 28682237. The reversal of 28682235 is 53228682.

It is not a de Polignac number, because 28682235 - 2⁷ = 28682107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28682235.

It is not an unprimeable number, because it can be changed into a prime (28682237) 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, 106096 + ... + 106365.

It is an arithmetic number, because the mean of its divisors is an integer number (3186930).

Almost surely, 2^28682235 is an apocalyptic number.

28682235 is a deficient number, since it is larger than the sum of its proper divisors (22308645).

28682235 is a wasteful number, since it uses less digits than its factorization.

28682235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212475 (or 212469 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28682235 is about 5355.5798005445. The cubic root of 28682235 is about 306.1054039040.

The spelling of 28682235 in words is "twenty-eight million, six hundred eighty-two thousand, two hundred thirty-five".