27946944 has 98 divisors (see below), whose sum is σ = 83286600. Its totient is φ = 9300096.

The previous prime is 27946913. The next prime is 27946969. The reversal of 27946944 is 44964972.

It is a self number, because there is not a number n which added to its sum of digits gives 27946944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46357 + ... + 46955.

Almost surely, 2^27946944 is an apocalyptic number.

27946944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27946944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41643300).

27946944 is an abundant number, since it is smaller than the sum of its proper divisors (55339656).

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

27946944 is an frugal number, since it uses more digits than its factorization.

27946944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 604 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 27946944 is about 5286.4869242248. The cubic root of 27946944 is about 303.4669791740.

The spelling of 27946944 in words is "twenty-seven million, nine hundred forty-six thousand, nine hundred forty-four".