27388930 has 16 divisors (see below), whose sum is σ = 50037120. Its totient is φ = 10791792.

The previous prime is 27388919. The next prime is 27388931. The reversal of 27388930 is 3988372.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27388931) 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, 19770 + ... + 21109.

It is an arithmetic number, because the mean of its divisors is an integer number (3127320).

Almost surely, 2^27388930 is an apocalyptic number.

27388930 is a deficient number, since it is larger than the sum of its proper divisors (22648190).

27388930 is a wasteful number, since it uses less digits than its factorization.

27388930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40953.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 27388930 is about 5233.4434171012. The cubic root of 27388930 is about 301.4336196840.

The spelling of 27388930 in words is "twenty-seven million, three hundred eighty-eight thousand, nine hundred thirty".