3984982689982 has 32 divisors (see below), whose sum is σ = 6849286471872. Its totient is φ = 1703383686144.

The previous prime is 3984982689953. The next prime is 3984982689983. The reversal of 3984982689982 is 2899862894893.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3984982689982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984982689983) 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, 7949038 + ... + 8435470.

It is an arithmetic number, because the mean of its divisors is an integer number (214040202246).

Almost surely, 2^{3984982689982} is an apocalyptic number.

3984982689982 is a deficient number, since it is larger than the sum of its proper divisors (2864303781890).

3984982689982 is a wasteful number, since it uses less digits than its factorization.

3984982689982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487972.

The product of its digits is 7739670528, while the sum is 85.

The spelling of 3984982689982 in words is "three trillion, nine hundred eighty-four billion, nine hundred eighty-two million, six hundred eighty-nine thousand, nine hundred eighty-two".