27938107 has 8 divisors (see below), whose sum is σ = 28965600. Its totient is φ = 26914944.

The previous prime is 27938059. The next prime is 27938111. The reversal of 27938107 is 70183972.

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

It is a cyclic number.

It is not a de Polignac number, because 27938107 - 2⁷ = 27937979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27938707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18019 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (3620700).

Almost surely, 2^27938107 is an apocalyptic number.

27938107 is a deficient number, since it is larger than the sum of its proper divisors (1027493).

27938107 is a wasteful number, since it uses less digits than its factorization.

27938107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 27938107 is about 5285.6510478843. The cubic root of 27938107 is about 303.4349897442.

The spelling of 27938107 in words is "twenty-seven million, nine hundred thirty-eight thousand, one hundred seven".