28441165 has 16 divisors (see below), whose sum is σ = 35143488. Its totient is φ = 22087296.

The previous prime is 28441163. The next prime is 28441169. The reversal of 28441165 is 56114482.

It is a cyclic number.

It is not a de Polignac number, because 28441165 - 2¹ = 28441163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28441163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23874 + ... + 25036.

It is an arithmetic number, because the mean of its divisors is an integer number (2196468).

Almost surely, 2^28441165 is an apocalyptic number.

It is an amenable number.

28441165 is a deficient number, since it is larger than the sum of its proper divisors (6702323).

28441165 is a wasteful number, since it uses less digits than its factorization.

28441165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its digits is 7680, while the sum is 31.

The square root of 28441165 is about 5333.0258765545. The cubic root of 28441165 is about 305.2453995630.

The spelling of 28441165 in words is "twenty-eight million, four hundred forty-one thousand, one hundred sixty-five".