28065033 has 24 divisors (see below), whose sum is σ = 43723680. Its totient is φ = 17288640.

The previous prime is 28065029. The next prime is 28065041. The reversal of 28065033 is 33056082.

28065033 is a `hidden beast` number, since 2 + 8 + 0 + 650 + 3 + 3 = 666.

It is not a de Polignac number, because 28065033 - 2² = 28065029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28064988 and 28065006.

It is not an unprimeable number, because it can be changed into a prime (28065043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5010 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (1821820).

Almost surely, 2^28065033 is an apocalyptic number.

It is an amenable number.

28065033 is a deficient number, since it is larger than the sum of its proper divisors (15658647).

28065033 is a wasteful number, since it uses less digits than its factorization.

28065033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4066 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 28065033 is about 5297.6440990312. The cubic root of 28065033 is about 303.8938088534.

The spelling of 28065033 in words is "twenty-eight million, sixty-five thousand, thirty-three".