28818065 has 8 divisors (see below), whose sum is σ = 35697408. Its totient is φ = 22310640.

The previous prime is 28818037. The next prime is 28818071. The reversal of 28818065 is 56081882.

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

It is not a de Polignac number, because 28818065 - 2⁸ = 28817809 is a prime.

It is a Duffinian number.

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, 92807 + ... + 93116.

It is an arithmetic number, because the mean of its divisors is an integer number (4462176).

Almost surely, 2^28818065 is an apocalyptic number.

It is an amenable number.

28818065 is a deficient number, since it is larger than the sum of its proper divisors (6879343).

28818065 is a wasteful number, since it uses less digits than its factorization.

28818065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185959.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 28818065 is about 5368.2459891477. The cubic root of 28818065 is about 306.5878492836.

The spelling of 28818065 in words is "twenty-eight million, eight hundred eighteen thousand, sixty-five".