28260241 has 8 divisors (see below), whose sum is σ = 28607040. Its totient is φ = 27915888.

The previous prime is 28260191. The next prime is 28260247. The reversal of 28260241 is 14206282.

It is a happy number.

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 28260241 - 2¹⁵ = 28227473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28260247) 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, 32470 + ... + 33328.

It is an arithmetic number, because the mean of its divisors is an integer number (3575880).

Almost surely, 2^28260241 is an apocalyptic number.

It is an amenable number.

28260241 is a deficient number, since it is larger than the sum of its proper divisors (346799).

28260241 is a wasteful number, since it uses less digits than its factorization.

28260241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 28260241 is about 5316.0362113138. The cubic root of 28260241 is about 304.5967653434.

The spelling of 28260241 in words is "twenty-eight million, two hundred sixty thousand, two hundred forty-one".