28814235 has 16 divisors (see below), whose sum is σ = 48815136. Its totient is φ = 14463488.

The previous prime is 28814207. The next prime is 28814249. The reversal of 28814235 is 53241882.

It is a cyclic number.

It is not a de Polignac number, because 28814235 - 2⁸ = 28813979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28814196 and 28814205.

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 15 ways as a sum of consecutive naturals, for example, 56244 + ... + 56753.

It is an arithmetic number, because the mean of its divisors is an integer number (3050946).

Almost surely, 2^28814235 is an apocalyptic number.

28814235 is a deficient number, since it is larger than the sum of its proper divisors (20000901).

28814235 is a wasteful number, since it uses less digits than its factorization.

28814235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113022.

The product of its digits is 15360, while the sum is 33.

The square root of 28814235 is about 5367.8892499753. The cubic root of 28814235 is about 306.5742665594.

The spelling of 28814235 in words is "twenty-eight million, eight hundred fourteen thousand, two hundred thirty-five".