28713585 has 8 divisors (see below), whose sum is σ = 45941760. Its totient is φ = 15313904.

The previous prime is 28713547. The next prime is 28713599. The reversal of 28713585 is 58531782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28713585 - 2⁶ = 28713521 is a prime.

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, 957105 + ... + 957134.

It is an arithmetic number, because the mean of its divisors is an integer number (5742720).

Almost surely, 2^28713585 is an apocalyptic number.

It is an amenable number.

28713585 is a deficient number, since it is larger than the sum of its proper divisors (17228175).

28713585 is a wasteful number, since it uses less digits than its factorization.

28713585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914247.

The product of its digits is 67200, while the sum is 39.

The square root of 28713585 is about 5358.5058551802. The cubic root of 28713585 is about 306.2168888262.

The spelling of 28713585 in words is "twenty-eight million, seven hundred thirteen thousand, five hundred eighty-five".