7684985 has 16 divisors (see below), whose sum is σ = 11498112. Its totient is φ = 4790400.

The previous prime is 7684979. The next prime is 7684997. The reversal of 7684985 is 5894867.

It is not a de Polignac number, because 7684985 - 2¹⁴ = 7668601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9596 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (718632).

Almost surely, 2^7684985 is an apocalyptic number.

It is an amenable number.

7684985 is a deficient number, since it is larger than the sum of its proper divisors (3813127).

7684985 is a wasteful number, since it uses less digits than its factorization.

7684985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19984.

The product of its digits is 483840, while the sum is 47.

The square root of 7684985 is about 2772.1805496757. The cubic root of 7684985 is about 197.3396444470.

The spelling of 7684985 in words is "seven million, six hundred eighty-four thousand, nine hundred eighty-five".