28354165 has 16 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 18967680.

The previous prime is 28354153. The next prime is 28354177. The reversal of 28354165 is 56145382.

It is an interprime number because it is at equal distance from previous prime (28354153) and next prime (28354177).

It is not a de Polignac number, because 28354165 - 2²³ = 19965557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28354165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8445 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^28354165 is an apocalyptic number.

It is an amenable number.

28354165 is a deficient number, since it is larger than the sum of its proper divisors (11481995).

28354165 is a wasteful number, since it uses less digits than its factorization.

28354165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812.

The product of its digits is 28800, while the sum is 34.

The square root of 28354165 is about 5324.8629090334. The cubic root of 28354165 is about 304.9338385560.

The spelling of 28354165 in words is "twenty-eight million, three hundred fifty-four thousand, one hundred sixty-five".