28568612 has 12 divisors (see below), whose sum is σ = 50628480. Its totient is φ = 14103336.

The previous prime is 28568597. The next prime is 28568629. The reversal of 28568612 is 21686582.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44888 + ... + 45519.

It is an arithmetic number, because the mean of its divisors is an integer number (4219040).

Almost surely, 2^28568612 is an apocalyptic number.

It is an amenable number.

28568612 is a deficient number, since it is larger than the sum of its proper divisors (22059868).

28568612 is a wasteful number, since it uses less digits than its factorization.

28568612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90490 (or 90488 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 28568612 is about 5344.9613656228. The cubic root of 28568612 is about 305.7006627489.

The spelling of 28568612 in words is "twenty-eight million, five hundred sixty-eight thousand, six hundred twelve".