27003949 has 12 divisors (see below), whose sum is σ = 31697244. Its totient is φ = 22936704.

The previous prime is 27003937. The next prime is 27003971. The reversal of 27003949 is 94930072.

It can be written as a sum of positive squares in 2 ways, for example, as 3062500 + 23941449 = 1750^2 + 4893^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27003949 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 (27003929) 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 11 ways as a sum of consecutive naturals, for example, 3099 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (2641437).

Almost surely, 2^27003949 is an apocalyptic number.

It is an amenable number.

27003949 is a deficient number, since it is larger than the sum of its proper divisors (4693295).

27003949 is a wasteful number, since it uses less digits than its factorization.

27003949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 27003949 is about 5196.5324015155. The cubic root of 27003949 is about 300.0146252129.

The spelling of 27003949 in words is "twenty-seven million, three thousand, nine hundred forty-nine".