27944592 has 80 divisors (see below), whose sum is σ = 81869760. Its totient is φ = 8142336.

The previous prime is 27944569. The next prime is 27944599. The reversal of 27944592 is 29544972.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27944599) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10678 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (1023372).

Almost surely, 2^27944592 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 27944592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40934880).

27944592 is an abundant number, since it is smaller than the sum of its proper divisors (53925168).

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

27944592 is a wasteful number, since it uses less digits than its factorization.

27944592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2394 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 27944592 is about 5286.2644655749. The cubic root of 27944592 is about 303.4584657284.

The spelling of 27944592 in words is "twenty-seven million, nine hundred forty-four thousand, five hundred ninety-two".