27928283 has 4 divisors (see below), whose sum is σ = 28141608. Its totient is φ = 27714960.

The previous prime is 27928273. The next prime is 27928319. The reversal of 27928283 is 38282972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27928283 - 2¹⁴ = 27911899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27928283.

It is not an unprimeable number, because it can be changed into a prime (27928253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106466 + ... + 106727.

It is an arithmetic number, because the mean of its divisors is an integer number (7035402).

Almost surely, 2^27928283 is an apocalyptic number.

27928283 is a deficient number, since it is larger than the sum of its proper divisors (213325).

27928283 is a wasteful number, since it uses less digits than its factorization.

27928283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213324.

The product of its digits is 96768, while the sum is 41.

The square root of 27928283 is about 5284.7216577602. The cubic root of 27928283 is about 303.3994195126.

The spelling of 27928283 in words is "twenty-seven million, nine hundred twenty-eight thousand, two hundred eighty-three".