27945338 has 4 divisors (see below), whose sum is σ = 41918010. Its totient is φ = 13972668.

The previous prime is 27945329. The next prime is 27945341. The reversal of 27945338 is 83354972.

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., 14010049 + 13935289 = 3743^2 + 3733^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27945295 and 27945304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986333 + ... + 6986336.

Almost surely, 2^27945338 is an apocalyptic number.

27945338 is a deficient number, since it is larger than the sum of its proper divisors (13972672).

27945338 is a wasteful number, since it uses less digits than its factorization.

27945338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972671.

The product of its digits is 181440, while the sum is 41.

The square root of 27945338 is about 5286.3350253271. The cubic root of 27945338 is about 303.4611660481.

The spelling of 27945338 in words is "twenty-seven million, nine hundred forty-five thousand, three hundred thirty-eight".