28666124 has 6 divisors (see below), whose sum is σ = 50165724. Its totient is φ = 14333060.

The previous prime is 28666091. The next prime is 28666129. The reversal of 28666124 is 42166682.

It is not an unprimeable number, because it can be changed into a prime (28666129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583262 + ... + 3583269.

It is an arithmetic number, because the mean of its divisors is an integer number (8360954).

Almost surely, 2^28666124 is an apocalyptic number.

It is an amenable number.

28666124 is a deficient number, since it is larger than the sum of its proper divisors (21499600).

28666124 is a wasteful number, since it uses less digits than its factorization.

28666124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166535 (or 7166533 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 28666124 is about 5354.0754570701. The cubic root of 28666124 is about 306.0480793634.

The spelling of 28666124 in words is "twenty-eight million, six hundred sixty-six thousand, one hundred twenty-four".