27934291 has 16 divisors (see below), whose sum is σ = 34951680. Its totient is φ = 21689280.

The previous prime is 27934289. The next prime is 27934303. The reversal of 27934291 is 19243972.

It is a cyclic number.

It is not a de Polignac number, because 27934291 - 2¹ = 27934289 is a prime.

It is a super-2 number, since 2×27934291² = 1560649227345362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27934291.

It is not an unprimeable number, because it can be changed into a prime (27934201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31050 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (2184480).

Almost surely, 2^27934291 is an apocalyptic number.

27934291 is a deficient number, since it is larger than the sum of its proper divisors (7017389).

27934291 is a wasteful number, since it uses less digits than its factorization.

27934291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314.

The product of its digits is 27216, while the sum is 37.

The square root of 27934291 is about 5285.2900582655. The cubic root of 27934291 is about 303.4211739592.

The spelling of 27934291 in words is "twenty-seven million, nine hundred thirty-four thousand, two hundred ninety-one".