28654065 has 48 divisors (see below), whose sum is σ = 54789696. Its totient is φ = 13737600.

The previous prime is 28654051. The next prime is 28654081. The reversal of 28654065 is 56045682.

It is not a de Polignac number, because 28654065 - 2⁸ = 28653809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52695 + ... + 53235.

It is an arithmetic number, because the mean of its divisors is an integer number (1141452).

Almost surely, 2^28654065 is an apocalyptic number.

It is an amenable number.

28654065 is a deficient number, since it is larger than the sum of its proper divisors (26135631).

28654065 is a wasteful number, since it uses less digits than its factorization.

28654065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 28654065 is about 5352.9491871304. The cubic root of 28654065 is about 306.0051581855.

The spelling of 28654065 in words is "twenty-eight million, six hundred fifty-four thousand, sixty-five".