27891414 has 24 divisors (see below), whose sum is σ = 62066160. Its totient is φ = 9045648.

The previous prime is 27891397. The next prime is 27891421. The reversal of 27891414 is 41419872.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20274 + ... + 21605.

It is an arithmetic number, because the mean of its divisors is an integer number (2586090).

Almost surely, 2^27891414 is an apocalyptic number.

27891414 is an abundant number, since it is smaller than the sum of its proper divisors (34174746).

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

27891414 is a wasteful number, since it uses less digits than its factorization.

27891414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41924 (or 41921 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 27891414 is about 5281.2322425737. The cubic root of 27891414 is about 303.2658516983.

The spelling of 27891414 in words is "twenty-seven million, eight hundred ninety-one thousand, four hundred fourteen".