28808635 has 8 divisors (see below), whose sum is σ = 34603200. Its totient is φ = 23025024.

The previous prime is 28808623. The next prime is 28808651. The reversal of 28808635 is 53680882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28808635 - 2¹⁵ = 28775867 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091 + ... + 9139.

It is an arithmetic number, because the mean of its divisors is an integer number (4325400).

Almost surely, 2^28808635 is an apocalyptic number.

28808635 is a deficient number, since it is larger than the sum of its proper divisors (5794565).

28808635 is a wasteful number, since it uses less digits than its factorization.

28808635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 28808635 is about 5367.3676043290. The cubic root of 28808635 is about 306.5544045349.

The spelling of 28808635 in words is "twenty-eight million, eight hundred eight thousand, six hundred thirty-five".