27155938 has 24 divisors (see below), whose sum is σ = 42897600. Its totient is φ = 12889800.

The previous prime is 27155923. The next prime is 27155951. The reversal of 27155938 is 83955172.

It is a self number, because there is not a number n which added to its sum of digits gives 27155938.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136363 + ... + 136561.

It is an arithmetic number, because the mean of its divisors is an integer number (1787400).

Almost surely, 2^27155938 is an apocalyptic number.

27155938 is a deficient number, since it is larger than the sum of its proper divisors (15741662).

27155938 is a wasteful number, since it uses less digits than its factorization.

27155938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 303 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 27155938 is about 5211.1359606136. The cubic root of 27155938 is about 300.5764398291.

The spelling of 27155938 in words is "twenty-seven million, one hundred fifty-five thousand, nine hundred thirty-eight".