27091338 has 16 divisors (see below), whose sum is σ = 54340416. Its totient is φ = 9004160.

The previous prime is 27091297. The next prime is 27091343. The reversal of 27091338 is 83319072.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27091299 and 27091308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4278 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (3396276).

Almost surely, 2^27091338 is an apocalyptic number.

27091338 is an abundant number, since it is smaller than the sum of its proper divisors (27249078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27091338 is a wasteful number, since it uses less digits than its factorization.

27091338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 27091338 is about 5204.9340053453. The cubic root of 27091338 is about 300.3379081396.

The spelling of 27091338 in words is "twenty-seven million, ninety-one thousand, three hundred thirty-eight".