28566476 has 12 divisors (see below), whose sum is σ = 50064672. Its totient is φ = 14262288.

The previous prime is 28566457. The next prime is 28566487. The reversal of 28566476 is 67466582.

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, 1940 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (4172056).

Almost surely, 2^28566476 is an apocalyptic number.

It is an amenable number.

28566476 is a deficient number, since it is larger than the sum of its proper divisors (21498196).

28566476 is a wasteful number, since it uses less digits than its factorization.

28566476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480 (or 10478 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 28566476 is about 5344.7615475342. The cubic root of 28566476 is about 305.6930437474.

The spelling of 28566476 in words is "twenty-eight million, five hundred sixty-six thousand, four hundred seventy-six".