28017008 has 10 divisors (see below), whose sum is σ = 54282984. Its totient is φ = 14008496.

The previous prime is 28017007. The next prime is 28017023. The reversal of 28017008 is 80071082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28017007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875516 + ... + 875547.

Almost surely, 2^28017008 is an apocalyptic number.

It is an amenable number.

28017008 is a deficient number, since it is larger than the sum of its proper divisors (26265976).

28017008 is a wasteful number, since it uses less digits than its factorization.

28017008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751071 (or 1751065 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 28017008 is about 5293.1094830921. The cubic root of 28017008 is about 303.7203684395.

The spelling of 28017008 in words is "twenty-eight million, seventeen thousand, eight".