28316056 has 8 divisors (see below), whose sum is σ = 53092620. Its totient is φ = 14158024.

The previous prime is 28316053. The next prime is 28316069. The reversal of 28316056 is 65061382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769746 + ... + 1769761.

Almost surely, 2^28316056 is an apocalyptic number.

It is an amenable number.

28316056 is a deficient number, since it is larger than the sum of its proper divisors (24776564).

28316056 is a wasteful number, since it uses less digits than its factorization.

28316056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539513 (or 3539509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28316056 is about 5321.2833038657. The cubic root of 28316056 is about 304.7971633531.

The spelling of 28316056 in words is "twenty-eight million, three hundred sixteen thousand, fifty-six".