28869235 has 8 divisors (see below), whose sum is σ = 34703280. Its totient is φ = 23055264.

The previous prime is 28869223. The next prime is 28869263. The reversal of 28869235 is 53296882.

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 28869235 - 2⁷ = 28869107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28869191 and 28869200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (4337910).

Almost surely, 2^28869235 is an apocalyptic number.

28869235 is a deficient number, since it is larger than the sum of its proper divisors (5834045).

28869235 is an equidigital number, since it uses as much as digits as its factorization.

28869235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037.

The product of its digits is 207360, while the sum is 43.

The square root of 28869235 is about 5373.0098641264. The cubic root of 28869235 is about 306.7692033985.

It can be divided in two parts, 2886 and 9235, that added together give a palindrome (12121).

The spelling of 28869235 in words is "twenty-eight million, eight hundred sixty-nine thousand, two hundred thirty-five".