28358235 has 32 divisors (see below), whose sum is σ = 51072000. Its totient is φ = 14927328.

The previous prime is 28358191. The next prime is 28358257. The reversal of 28358235 is 53285382.

It is not a de Polignac number, because 28358235 - 2⁶ = 28358171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28358235.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9336 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 2^28358235 is an apocalyptic number.

28358235 is a deficient number, since it is larger than the sum of its proper divisors (22713765).

28358235 is a wasteful number, since it uses less digits than its factorization.

28358235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2746 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 28358235 is about 5325.2450647834. The cubic root of 28358235 is about 304.9484280804.

The spelling of 28358235 in words is "twenty-eight million, three hundred fifty-eight thousand, two hundred thirty-five".