27930860 has 24 divisors (see below), whose sum is σ = 58858800. Its totient is φ = 11133504.

The previous prime is 27930829. The next prime is 27930871. The reversal of 27930860 is 6803972.

It is a self number, because there is not a number n which added to its sum of digits gives 27930860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3866 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (2452450).

Almost surely, 2^27930860 is an apocalyptic number.

27930860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27930860 is an abundant number, since it is smaller than the sum of its proper divisors (30927940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27930860 is a wasteful number, since it uses less digits than its factorization.

27930860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27930860 is about 5284.9654681937. The cubic root of 27930860 is about 303.4087509880.

The spelling of 27930860 in words is "twenty-seven million, nine hundred thirty thousand, eight hundred sixty".