27941845 has 16 divisors (see below), whose sum is σ = 34925040. Its totient is φ = 21441024.

The previous prime is 27941839. The next prime is 27941857. The reversal of 27941845 is 54814972.

It can be written as a sum of positive squares in 8 ways, for example, as 49 + 27941796 = 7^2 + 5286^2 .

It is a cyclic number.

It is not a de Polignac number, because 27941845 - 2⁵ = 27941813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27941798 and 27941807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12471 + ... + 14539.

It is an arithmetic number, because the mean of its divisors is an integer number (2182815).

Almost surely, 2^27941845 is an apocalyptic number.

It is an amenable number.

27941845 is a deficient number, since it is larger than the sum of its proper divisors (6983195).

27941845 is a wasteful number, since it uses less digits than its factorization.

27941845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 80640, while the sum is 40.

The square root of 27941845 is about 5286.0046348826. The cubic root of 27941845 is about 303.4485219115.

It can be divided in two parts, 279 and 41845, that added together give a palindrome (42124).

The spelling of 27941845 in words is "twenty-seven million, nine hundred forty-one thousand, eight hundred forty-five".