27941938 has 4 divisors (see below), whose sum is σ = 41912910. Its totient is φ = 13970968.

The previous prime is 27941933. The next prime is 27941981. The reversal of 27941938 is 83914972.

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., 17032129 + 10909809 = 4127^2 + 3303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27941894 and 27941903.

It is not an unprimeable number, because it can be changed into a prime (27941933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985483 + ... + 6985486.

Almost surely, 2^27941938 is an apocalyptic number.

27941938 is a deficient number, since it is larger than the sum of its proper divisors (13970972).

27941938 is a wasteful number, since it uses less digits than its factorization.

27941938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970971.

The product of its digits is 108864, while the sum is 43.

The square root of 27941938 is about 5286.0134316893. The cubic root of 27941938 is about 303.4488585712.

The spelling of 27941938 in words is "twenty-seven million, nine hundred forty-one thousand, nine hundred thirty-eight".