27398345 has 16 divisors (see below), whose sum is σ = 35696640. Its totient is φ = 20067264.

The previous prime is 27398341. The next prime is 27398363. The reversal of 27398345 is 54389372.

It is a cyclic number.

It is not a de Polignac number, because 27398345 - 2² = 27398341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27398341) 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, 6596 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (2231040).

Almost surely, 2^27398345 is an apocalyptic number.

It is an amenable number.

27398345 is a deficient number, since it is larger than the sum of its proper divisors (8298295).

27398345 is a wasteful number, since it uses less digits than its factorization.

27398345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its digits is 181440, while the sum is 41.

The square root of 27398345 is about 5234.3428431848. The cubic root of 27398345 is about 301.4681551989.

The spelling of 27398345 in words is "twenty-seven million, three hundred ninety-eight thousand, three hundred forty-five".