28512935 has 8 divisors (see below), whose sum is σ = 37326096. Its totient is φ = 20736640.

The previous prime is 28512923. The next prime is 28512943. The reversal of 28512935 is 53921582.

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

It is not a de Polignac number, because 28512935 - 2¹² = 28508839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28512895 and 28512904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259154 + ... + 259263.

It is an arithmetic number, because the mean of its divisors is an integer number (4665762).

Almost surely, 2^28512935 is an apocalyptic number.

28512935 is a deficient number, since it is larger than the sum of its proper divisors (8813161).

28512935 is a wasteful number, since it uses less digits than its factorization.

28512935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518433.

The product of its digits is 21600, while the sum is 35.

The square root of 28512935 is about 5339.7504623344. The cubic root of 28512935 is about 305.5019415697.

The spelling of 28512935 in words is "twenty-eight million, five hundred twelve thousand, nine hundred thirty-five".