28673056 has 24 divisors (see below), whose sum is σ = 57410640. Its totient is φ = 14092608.

The previous prime is 28673017. The next prime is 28673077. The reversal of 28673056 is 65037682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5706 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (2392110).

Almost surely, 2^28673056 is an apocalyptic number.

It is an amenable number.

28673056 is an abundant number, since it is smaller than the sum of its proper divisors (28737584).

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

28673056 is a wasteful number, since it uses less digits than its factorization.

28673056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256 (or 15248 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 28673056 is about 5354.7227752704. The cubic root of 28673056 is about 306.0727467408.

The spelling of 28673056 in words is "twenty-eight million, six hundred seventy-three thousand, fifty-six".