28300065 has 8 divisors (see below), whose sum is σ = 45280128. Its totient is φ = 15093360.

The previous prime is 28300043. The next prime is 28300093. The reversal of 28300065 is 56000382.

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

It is not a de Polignac number, because 28300065 - 2⁵ = 28300033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943321 + ... + 943350.

It is an arithmetic number, because the mean of its divisors is an integer number (5660016).

Almost surely, 2^28300065 is an apocalyptic number.

It is an amenable number.

28300065 is a deficient number, since it is larger than the sum of its proper divisors (16980063).

28300065 is a wasteful number, since it uses less digits than its factorization.

28300065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886679.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28300065 is about 5319.7805405862. The cubic root of 28300065 is about 304.7397762505.

The spelling of 28300065 in words is "twenty-eight million, three hundred thousand, sixty-five".