28369065 has 16 divisors (see below), whose sum is σ = 45459648. Its totient is φ = 15107136.

The previous prime is 28369063. The next prime is 28369067. The reversal of 28369065 is 56096382.

It is an interprime number because it is at equal distance from previous prime (28369063) and next prime (28369067).

It is not a de Polignac number, because 28369065 - 2¹ = 28369063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28369063) 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 15 ways as a sum of consecutive naturals, for example, 14262 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (2841228).

Almost surely, 2^28369065 is an apocalyptic number.

It is an amenable number.

28369065 is a deficient number, since it is larger than the sum of its proper divisors (17090583).

28369065 is a wasteful number, since it uses less digits than its factorization.

28369065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 28369065 is about 5326.2618223291. The cubic root of 28369065 is about 304.9872430389.

The spelling of 28369065 in words is "twenty-eight million, three hundred sixty-nine thousand, sixty-five".