27214191 has 8 divisors (see below), whose sum is σ = 40317360. Its totient is φ = 18142776.

The previous prime is 27214177. The next prime is 27214199. The reversal of 27214191 is 19141272.

It is not a de Polignac number, because 27214191 - 2⁹ = 27213679 is a prime.

It is a super-2 number, since 2×27214191² = 1481224383568962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1007933 = 27214191 / (2 + 7 + 2 + 1 + 4 + 1 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27214199) 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, 503940 + ... + 503993.

It is an arithmetic number, because the mean of its divisors is an integer number (5039670).

Almost surely, 2^27214191 is an apocalyptic number.

27214191 is a deficient number, since it is larger than the sum of its proper divisors (13103169).

27214191 is a wasteful number, since it uses less digits than its factorization.

27214191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007942 (or 1007936 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 27214191 is about 5216.7222467753. The cubic root of 27214191 is about 300.7912114470.

The spelling of 27214191 in words is "twenty-seven million, two hundred fourteen thousand, one hundred ninety-one".