27243393 has 16 divisors (see below), whose sum is σ = 37830912. Its totient is φ = 17424000.

The previous prime is 27243353. The next prime is 27243407. The reversal of 27243393 is 39334272.

It is not a de Polignac number, because 27243393 - 2⁶ = 27243329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27243313) 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, 5688 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (2364432).

Almost surely, 2^27243393 is an apocalyptic number.

It is an amenable number.

27243393 is a deficient number, since it is larger than the sum of its proper divisors (10587519).

27243393 is a wasteful number, since it uses less digits than its factorization.

27243393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736.

The product of its digits is 27216, while the sum is 33.

The square root of 27243393 is about 5219.5203802648. The cubic root of 27243393 is about 300.8987602998.

The spelling of 27243393 in words is "twenty-seven million, two hundred forty-three thousand, three hundred ninety-three".