28535235 has 16 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 15196640.

The previous prime is 28535167. The next prime is 28535261. The reversal of 28535235 is 53253582.

28535235 is a nontrivial binomial coefficient, being equal to C(7555, 2).

It is not a de Polignac number, because 28535235 - 2⁷ = 28535107 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28535196 and 28535205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18130 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^28535235 is an apocalyptic number.

28535235 is the 7554-th triangular number.

28535235 is a deficient number, since it is larger than the sum of its proper divisors (17187645).

28535235 is a wasteful number, since it uses less digits than its factorization.

28535235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its digits is 36000, while the sum is 33.

The square root of 28535235 is about 5341.8381667737. The cubic root of 28535235 is about 305.5815652913.

The spelling of 28535235 in words is "twenty-eight million, five hundred thirty-five thousand, two hundred thirty-five".