28085968 has 20 divisors (see below), whose sum is σ = 54505440. Its totient is φ = 14020064.

The previous prime is 28085963. The next prime is 28085987. The reversal of 28085968 is 86958082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085963) 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, 13203 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (2725272).

Almost surely, 2^28085968 is an apocalyptic number.

It is an amenable number.

28085968 is a deficient number, since it is larger than the sum of its proper divisors (26419472).

28085968 is a wasteful number, since it uses less digits than its factorization.

28085968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 28085968 is about 5299.6196089908. The cubic root of 28085968 is about 303.9693528662.

The spelling of 28085968 in words is "twenty-eight million, eighty-five thousand, nine hundred sixty-eight".