683584985 has 8 divisors (see below), whose sum is σ = 820691520. Its totient is φ = 546608304.

The previous prime is 683584973. The next prime is 683585017. The reversal of 683584985 is 589485386.

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 683584985 - 2⁴ = 683584969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683584985.

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, 20477 + ... + 42266.

It is an arithmetic number, because the mean of its divisors is an integer number (102586440).

Almost surely, 2^683584985 is an apocalyptic number.

It is an amenable number.

683584985 is a deficient number, since it is larger than the sum of its proper divisors (137106535).

683584985 is a wasteful number, since it uses less digits than its factorization.

683584985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64927.

The product of its digits is 8294400, while the sum is 56.

The square root of 683584985 is about 26145.4582097924. The cubic root of 683584985 is about 880.9085764895.

The spelling of 683584985 in words is "six hundred eighty-three million, five hundred eighty-four thousand, nine hundred eighty-five".