28566148 has 24 divisors (see below), whose sum is σ = 54754560. Its totient is φ = 12959520.

The previous prime is 28566143. The next prime is 28566157. The reversal of 28566148 is 84166582.

It is a self number, because there is not a number n which added to its sum of digits gives 28566148.

It is not an unprimeable number, because it can be changed into a prime (28566143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (2281440).

Almost surely, 2^28566148 is an apocalyptic number.

It is an amenable number.

28566148 is a deficient number, since it is larger than the sum of its proper divisors (26188412).

28566148 is a wasteful number, since it uses less digits than its factorization.

28566148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9387 (or 9385 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 28566148 is about 5344.7308631960. The cubic root of 28566148 is about 305.6918737547.

The spelling of 28566148 in words is "twenty-eight million, five hundred sixty-six thousand, one hundred forty-eight".