999999982 has 32 divisors (see below), whose sum is σ = 1642291200. Its totient is φ = 454860000.

The previous prime is 999999937. The next prime is 1000000007. The reversal of 999999982 is 289999999.

It is a happy number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208107 + ... + 212857.

It is an arithmetic number, because the mean of its divisors is an integer number (51321600).

Almost surely, 2^999999982 is an apocalyptic number.

999999982 is a deficient number, since it is larger than the sum of its proper divisors (642291218).

999999982 is a wasteful number, since it uses less digits than its factorization.

999999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its digits is 76527504, while the sum is 73.

The square root of 999999982 is about 31622.7763170788. The cubic root of 999999982 is about 999.9999940000. Note that the first 5 decimals are identical.

It can be divided in two parts, 99999998 and 2, that added together give a 8-th power (100000000 = 10⁸).

The spelling of 999999982 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".