28576873 has 8 divisors (see below), whose sum is σ = 30961728. Its totient is φ = 26218704.

The previous prime is 28576843. The next prime is 28576883. The reversal of 28576873 is 37867582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28576873 - 2⁵ = 28576841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28576843) 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 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (3870216).

Almost surely, 2^28576873 is an apocalyptic number.

It is an amenable number.

28576873 is a deficient number, since it is larger than the sum of its proper divisors (2384855).

28576873 is a wasteful number, since it uses less digits than its factorization.

28576873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13343.

The product of its digits is 564480, while the sum is 46.

The square root of 28576873 is about 5345.7340936489. The cubic root of 28576873 is about 305.7301257343.

It can be divided in two parts, 2857 and 6873, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 28576873 in words is "twenty-eight million, five hundred seventy-six thousand, eight hundred seventy-three".