7999684 has 48 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 2950560.

The previous prime is 7999681. The next prime is 7999709. The reversal of 7999684 is 4869997.

It is not an unprimeable number, because it can be changed into a prime (7999681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5169 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^7999684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7999684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

7999684 is an abundant number, since it is smaller than the sum of its proper divisors (10386236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7999684 is a wasteful number, since it uses less digits than its factorization.

7999684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 7999684 is about 2828.3712627588. The cubic root of 7999684 is about 199.9973666320.

The spelling of 7999684 in words is "seven million, nine hundred ninety-nine thousand, six hundred eighty-four".