7999982 has 8 divisors (see below), whose sum is σ = 12011976. Its totient is φ = 3995992.

The previous prime is 7999963. The next prime is 7999993. The reversal of 7999982 is 2899997.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2993 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (1501497).

Almost surely, 2^7999982 is an apocalyptic number.

7999982 is a deficient number, since it is larger than the sum of its proper divisors (4011994).

7999982 is a wasteful number, since it uses less digits than its factorization.

7999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002.

The product of its digits is 734832, while the sum is 53.

The square root of 7999982 is about 2828.4239427639. The cubic root of 7999982 is about 199.9998499999. Note that the first 3 decimals are identical.

The spelling of 7999982 in words is "seven million, nine hundred ninety-nine thousand, nine hundred eighty-two".