27308149 has 16 divisors (see below), whose sum is σ = 31567680. Its totient is φ = 23362560.

The previous prime is 27308143. The next prime is 27308161. The reversal of 27308149 is 94180372.

It is a cyclic number.

It is not a de Polignac number, because 27308149 - 2¹³ = 27299957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27308143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999 + ... + 40675.

It is an arithmetic number, because the mean of its divisors is an integer number (1972980).

Almost surely, 2^27308149 is an apocalyptic number.

It is an amenable number.

27308149 is a deficient number, since it is larger than the sum of its proper divisors (4259531).

27308149 is a wasteful number, since it uses less digits than its factorization.

27308149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27308149 is about 5225.7199503992. The cubic root of 27308149 is about 301.1369780850.

The spelling of 27308149 in words is "twenty-seven million, three hundred eight thousand, one hundred forty-nine".