27912298 has 4 divisors (see below), whose sum is σ = 41868450. Its totient is φ = 13956148.

The previous prime is 27912277. The next prime is 27912329. The reversal of 27912298 is 89221972.

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

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 2209 = 5283^2 + 47^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 27912298.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6978073 + ... + 6978076.

Almost surely, 2^27912298 is an apocalyptic number.

27912298 is a deficient number, since it is larger than the sum of its proper divisors (13956152).

27912298 is a wasteful number, since it uses less digits than its factorization.

27912298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13956151.

The product of its digits is 36288, while the sum is 40.

The square root of 27912298 is about 5283.2090626815. The cubic root of 27912298 is about 303.3415240177.

The spelling of 27912298 in words is "twenty-seven million, nine hundred twelve thousand, two hundred ninety-eight".