28260165 has 8 divisors (see below), whose sum is σ = 45216288. Its totient is φ = 15072080.

The previous prime is 28260161. The next prime is 28260179. The reversal of 28260165 is 56106282.

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

It is not a de Polignac number, because 28260165 - 2² = 28260161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28260161) 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, 941991 + ... + 942020.

It is an arithmetic number, because the mean of its divisors is an integer number (5652036).

Almost surely, 2^28260165 is an apocalyptic number.

It is an amenable number.

28260165 is a deficient number, since it is larger than the sum of its proper divisors (16956123).

28260165 is a wasteful number, since it uses less digits than its factorization.

28260165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884019.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28260165 is about 5316.0290631260. The cubic root of 28260165 is about 304.5964922935.

The spelling of 28260165 in words is "twenty-eight million, two hundred sixty thousand, one hundred sixty-five".