28833118 has 4 divisors (see below), whose sum is σ = 43249680. Its totient is φ = 14416558.

The previous prime is 28833109. The next prime is 28833151. The reversal of 28833118 is 81133882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7208278 + ... + 7208281.

It is an arithmetic number, because the mean of its divisors is an integer number (10812420).

Almost surely, 2^28833118 is an apocalyptic number.

28833118 is a deficient number, since it is larger than the sum of its proper divisors (14416562).

28833118 is a wasteful number, since it uses less digits than its factorization.

28833118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416561.

The product of its digits is 9216, while the sum is 34.

The square root of 28833118 is about 5369.6478469263. The cubic root of 28833118 is about 306.6412216338.

The spelling of 28833118 in words is "twenty-eight million, eight hundred thirty-three thousand, one hundred eighteen".