27882944 has 28 divisors (see below), whose sum is σ = 55644288. Its totient is φ = 13862400.

The previous prime is 27882931. The next prime is 27882947. The reversal of 27882944 is 44928872.

It is a super-2 number, since 2×27882944² = 1554917132214272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27882895 and 27882904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27882947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11084 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (1987296).

Almost surely, 2^27882944 is an apocalyptic number.

It is an amenable number.

27882944 is a deficient number, since it is larger than the sum of its proper divisors (27761344).

27882944 is a wasteful number, since it uses less digits than its factorization.

27882944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2474 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 27882944 is about 5280.4302854976. The cubic root of 27882944 is about 303.2351502332.

The spelling of 27882944 in words is "twenty-seven million, eight hundred eighty-two thousand, nine hundred forty-four".