27930238 has 16 divisors (see below), whose sum is σ = 48538080. Its totient is φ = 11805696.

The previous prime is 27930233. The next prime is 27930239. The reversal of 27930238 is 83203972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27930233) 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, 12643 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (3033630).

Almost surely, 2^27930238 is an apocalyptic number.

27930238 is a deficient number, since it is larger than the sum of its proper divisors (20607842).

27930238 is a wasteful number, since it uses less digits than its factorization.

27930238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27411.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 27930238 is about 5284.9066216916. The cubic root of 27930238 is about 303.4064987403.

The spelling of 27930238 in words is "twenty-seven million, nine hundred thirty thousand, two hundred thirty-eight".