27949417 has 8 divisors (see below), whose sum is σ = 28987200. Its totient is φ = 26916624.

The previous prime is 27949403. The next prime is 27949423. The reversal of 27949417 is 71494972.

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 27949417 - 2¹⁹ = 27425129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27949457) 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, 13134 + ... + 15112.

It is an arithmetic number, because the mean of its divisors is an integer number (3623400).

Almost surely, 2^27949417 is an apocalyptic number.

It is an amenable number.

27949417 is a deficient number, since it is larger than the sum of its proper divisors (1037783).

27949417 is a wasteful number, since it uses less digits than its factorization.

27949417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 127008, while the sum is 43.

The square root of 27949417 is about 5286.7208172931. The cubic root of 27949417 is about 303.4759300835.

The spelling of 27949417 in words is "twenty-seven million, nine hundred forty-nine thousand, four hundred seventeen".