28587016 has 16 divisors (see below), whose sum is σ = 53902800. Its totient is φ = 14212944.

The previous prime is 28587007. The next prime is 28587017. The reversal of 28587016 is 61078582.

It is not an unprimeable number, because it can be changed into a prime (28587017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8550 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (3368925).

Almost surely, 2^28587016 is an apocalyptic number.

It is an amenable number.

28587016 is a deficient number, since it is larger than the sum of its proper divisors (25315784).

28587016 is a wasteful number, since it uses less digits than its factorization.

28587016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20148 (or 20144 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 28587016 is about 5346.6827098679. The cubic root of 28587016 is about 305.7662931373.

The spelling of 28587016 in words is "twenty-eight million, five hundred eighty-seven thousand, sixteen".