27381938 has 8 divisors (see below), whose sum is σ = 41244060. Its totient is φ = 13633920.

The previous prime is 27381929. The next prime is 27381943. The reversal of 27381938 is 83918372.

It can be written as a sum of positive squares in 2 ways, for example, as 25836889 + 1545049 = 5083^2 + 1243^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27381895 and 27381904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27923 + ... + 28886.

Almost surely, 2^27381938 is an apocalyptic number.

27381938 is a deficient number, since it is larger than the sum of its proper divisors (13862122).

27381938 is a wasteful number, since it uses less digits than its factorization.

27381938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57052.

The product of its digits is 72576, while the sum is 41.

The square root of 27381938 is about 5232.7753630363. The cubic root of 27381938 is about 301.4079669447.

The spelling of 27381938 in words is "twenty-seven million, three hundred eighty-one thousand, nine hundred thirty-eight".