27397930 has 16 divisors (see below), whose sum is σ = 56361600. Its totient is φ = 9393552.

The previous prime is 27397901. The next prime is 27397933. The reversal of 27397930 is 3979372.

It is not an unprimeable number, because it can be changed into a prime (27397933) 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 7 ways as a sum of consecutive naturals, for example, 195630 + ... + 195769.

It is an arithmetic number, because the mean of its divisors is an integer number (3522600).

Almost surely, 2^27397930 is an apocalyptic number.

27397930 is an abundant number, since it is smaller than the sum of its proper divisors (28963670).

27397930 is a wasteful number, since it uses less digits than its factorization.

27397930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391413.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 27397930 is about 5234.3032010001. The cubic root of 27397930 is about 301.4666330885.

The spelling of 27397930 in words is "twenty-seven million, three hundred ninety-seven thousand, nine hundred thirty".