27641938 has 8 divisors (see below), whose sum is σ = 42245388. Its totient is φ = 13560144.

The previous prime is 27641921. The next prime is 27642001. The reversal of 27641938 is 83914672.

It can be written as a sum of positive squares in 2 ways, for example, as 25472209 + 2169729 = 5047^2 + 1473^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27641938.

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, 130281 + ... + 130492.

Almost surely, 2^27641938 is an apocalyptic number.

27641938 is a deficient number, since it is larger than the sum of its proper divisors (14603450).

27641938 is a wasteful number, since it uses less digits than its factorization.

27641938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260828.

The product of its digits is 72576, while the sum is 40.

The square root of 27641938 is about 5257.5600804936. The cubic root of 27641938 is about 302.3589507026.

The spelling of 27641938 in words is "twenty-seven million, six hundred forty-one thousand, nine hundred thirty-eight".