27843968 has 48 divisors (see below), whose sum is σ = 58940700. Its totient is φ = 13065984.

The previous prime is 27843953. The next prime is 27843971. The reversal of 27843968 is 86934872.

Its product of digits (580608) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 260171 + ... + 260277.

Almost surely, 2^27843968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27843968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29470350).

27843968 is an abundant number, since it is smaller than the sum of its proper divisors (31096732).

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

27843968 is an equidigital number, since it uses as much as digits as its factorization.

27843968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 128 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 27843968 is about 5276.7383865414. The cubic root of 27843968 is about 303.0937925572.

The spelling of 27843968 in words is "twenty-seven million, eight hundred forty-three thousand, nine hundred sixty-eight".