27389245 has 16 divisors (see below), whose sum is σ = 35747712. Its totient is φ = 20024640.

The previous prime is 27389239. The next prime is 27389249. The reversal of 27389245 is 54298372.

It is not a de Polignac number, because 27389245 - 2¹¹ = 27387197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27389198 and 27389207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27389249) 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, 4650 + ... + 8740.

It is an arithmetic number, because the mean of its divisors is an integer number (2234232).

Almost surely, 2^27389245 is an apocalyptic number.

It is an amenable number.

27389245 is a deficient number, since it is larger than the sum of its proper divisors (8358467).

27389245 is a wasteful number, since it uses less digits than its factorization.

27389245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212.

The product of its digits is 120960, while the sum is 40.

The square root of 27389245 is about 5233.4735119230. The cubic root of 27389245 is about 301.4347752753.

The spelling of 27389245 in words is "twenty-seven million, three hundred eighty-nine thousand, two hundred forty-five".