27939149 has 8 divisors (see below), whose sum is σ = 32036928. Its totient is φ = 23868000.

The previous prime is 27939133. The next prime is 27939167. The reversal of 27939149 is 94193972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27939149 - 2⁴ = 27939133 is a prime.

It is a super-3 number, since 3×27939149³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27939169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4352 + ... + 8649.

It is an arithmetic number, because the mean of its divisors is an integer number (4004616).

Almost surely, 2^27939149 is an apocalyptic number.

It is an amenable number.

27939149 is a deficient number, since it is larger than the sum of its proper divisors (4097779).

27939149 is a wasteful number, since it uses less digits than its factorization.

27939149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315.

The product of its digits is 122472, while the sum is 44.

The square root of 27939149 is about 5285.7496157120. The cubic root of 27939149 is about 303.4387620748.

The spelling of 27939149 in words is "twenty-seven million, nine hundred thirty-nine thousand, one hundred forty-nine".