28260259 has 8 divisors (see below), whose sum is σ = 28697760. Its totient is φ = 27825600.

The previous prime is 28260257. The next prime is 28260269. The reversal of 28260259 is 95206282.

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 28260259 - 2¹ = 28260257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28260257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27169 + ... + 28189.

It is an arithmetic number, because the mean of its divisors is an integer number (3587220).

Almost surely, 2^28260259 is an apocalyptic number.

28260259 is a deficient number, since it is larger than the sum of its proper divisors (437501).

28260259 is a wasteful number, since it uses less digits than its factorization.

28260259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28260259 is about 5316.0379043043. The cubic root of 28260259 is about 304.5968300131.

The spelling of 28260259 in words is "twenty-eight million, two hundred sixty thousand, two hundred fifty-nine".