28369165 has 8 divisors (see below), whose sum is σ = 37137888. Its totient is φ = 20632080.

The previous prime is 28369157. The next prime is 28369169. The reversal of 28369165 is 56196382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28369165 - 2³ = 28369157 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 (28369169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257847 + ... + 257956.

It is an arithmetic number, because the mean of its divisors is an integer number (4642236).

Almost surely, 2^28369165 is an apocalyptic number.

It is an amenable number.

28369165 is a deficient number, since it is larger than the sum of its proper divisors (8768723).

28369165 is a wasteful number, since it uses less digits than its factorization.

28369165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515819.

The product of its digits is 77760, while the sum is 40.

The square root of 28369165 is about 5326.2712097677. The cubic root of 28369165 is about 304.9876013951.

The spelling of 28369165 in words is "twenty-eight million, three hundred sixty-nine thousand, one hundred sixty-five".