28842666 has 16 divisors (see below), whose sum is σ = 58381344. Its totient is φ = 9498224.

The previous prime is 28842623. The next prime is 28842673. The reversal of 28842666 is 66624882.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28461 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (3648834).

Almost surely, 2^28842666 is an apocalyptic number.

28842666 is an abundant number, since it is smaller than the sum of its proper divisors (29538678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28842666 is a wasteful number, since it uses less digits than its factorization.

28842666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58005.

The product of its digits is 221184, while the sum is 42.

The square root of 28842666 is about 5370.5368446739. The cubic root of 28842666 is about 306.6750656700.

The spelling of 28842666 in words is "twenty-eight million, eight hundred forty-two thousand, six hundred sixty-six".