28280014 has 8 divisors (see below), whose sum is σ = 48480048. Its totient is φ = 12120000.

The previous prime is 28279997. The next prime is 28280047. The reversal of 28280014 is 41008282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009987 + ... + 1010014.

It is an arithmetic number, because the mean of its divisors is an integer number (6060006).

Almost surely, 2^28280014 is an apocalyptic number.

28280014 is a deficient number, since it is larger than the sum of its proper divisors (20200034).

28280014 is a wasteful number, since it uses less digits than its factorization.

28280014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020010.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 28280014 is about 5317.8956364336. The cubic root of 28280014 is about 304.6677884193.

Adding to 28280014 its reverse (41008282), we get a palindrome (69288296).

The spelling of 28280014 in words is "twenty-eight million, two hundred eighty thousand, fourteen".