27440806 has 4 divisors (see below), whose sum is σ = 41161212. Its totient is φ = 13720402.

The previous prime is 27440783. The next prime is 27440813. The reversal of 27440806 is 60804472.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6860200 + ... + 6860203.

It is an arithmetic number, because the mean of its divisors is an integer number (10290303).

Almost surely, 2^27440806 is an apocalyptic number.

27440806 is a deficient number, since it is larger than the sum of its proper divisors (13720406).

27440806 is a wasteful number, since it uses less digits than its factorization.

27440806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720405.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 27440806 is about 5238.3972739761. The cubic root of 27440806 is about 301.6238097632.

The spelling of 27440806 in words is "twenty-seven million, four hundred forty thousand, eight hundred six".