28576846 has 8 divisors (see below), whose sum is σ = 43777440. Its totient is φ = 13984368.

The previous prime is 28576843. The next prime is 28576883. The reversal of 28576846 is 64867582.

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

It is a super-2 number, since 2×28576846² = 1633272254615432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28576796 and 28576805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576841) 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 3 ways as a sum of consecutive naturals, for example, 151911 + ... + 152098.

It is an arithmetic number, because the mean of its divisors is an integer number (5472180).

Almost surely, 2^28576846 is an apocalyptic number.

28576846 is a deficient number, since it is larger than the sum of its proper divisors (15200594).

28576846 is a wasteful number, since it uses less digits than its factorization.

28576846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304058.

The product of its digits is 645120, while the sum is 46.

The square root of 28576846 is about 5345.7315682701. The cubic root of 28576846 is about 305.7300294476.

The spelling of 28576846 in words is "twenty-eight million, five hundred seventy-six thousand, eight hundred forty-six".