27028944 has 160 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 8211456.

The previous prime is 27028943. The next prime is 27028973. The reversal of 27028944 is 44982072.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27028899 and 27028908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27028943) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 303652 + ... + 303740.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 2^27028944 is an apocalyptic number.

27028944 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 27028944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42408000).

27028944 is an abundant number, since it is smaller than the sum of its proper divisors (57787056).

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

27028944 is a wasteful number, since it uses less digits than its factorization.

27028944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27028944 is about 5198.9368143881. The cubic root of 27028944 is about 300.1071617167.

It can be divided in two parts, 27028 and 944, that added together give a palindrome (27972).

The spelling of 27028944 in words is "twenty-seven million, twenty-eight thousand, nine hundred forty-four".