27898344 has 96 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 9144576.

The previous prime is 27898303. The next prime is 27898361. The reversal of 27898344 is 44389872.

It is a self number, because there is not a number n which added to its sum of digits gives 27898344.

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 23 ways as a sum of consecutive naturals, for example, 219609 + ... + 219735.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^27898344 is an apocalyptic number.

27898344 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 27898344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39836160).

27898344 is an abundant number, since it is smaller than the sum of its proper divisors (51773976).

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

27898344 is a wasteful number, since it uses less digits than its factorization.

27898344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 245 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 27898344 is about 5281.8882987053. Note that the first 3 decimals coincide. The cubic root of 27898344 is about 303.2909664560.

The spelling of 27898344 in words is "twenty-seven million, eight hundred ninety-eight thousand, three hundred forty-four".