28056944 has 10 divisors (see below), whose sum is σ = 54360360. Its totient is φ = 14028464.

The previous prime is 28056943. The next prime is 28056961. The reversal of 28056944 is 44965082.

It is a junction number, because it is equal to n+sod(n) for n = 28056898 and 28056907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876764 + ... + 876795.

It is an arithmetic number, because the mean of its divisors is an integer number (5436036).

Almost surely, 2^28056944 is an apocalyptic number.

It is an amenable number.

28056944 is a deficient number, since it is larger than the sum of its proper divisors (26303416).

28056944 is a wasteful number, since it uses less digits than its factorization.

28056944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753567 (or 1753561 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 28056944 is about 5296.8805914425. The cubic root of 28056944 is about 303.8646096095.

The spelling of 28056944 in words is "twenty-eight million, fifty-six thousand, nine hundred forty-four".