3984982689895 has 16 divisors (see below), whose sum is σ = 4802324127552. Its totient is φ = 3174441137920.

The previous prime is 3984982689847. The next prime is 3984982689899. The reversal of 3984982689895 is 5989862894893.

It is not a de Polignac number, because 3984982689895 - 2²¹ = 3984980592743 is a prime.

It is a super-2 number, since 2×3984982689895² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984982689899) 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, 607710 + ... + 2887780.

It is an arithmetic number, because the mean of its divisors is an integer number (300145257972).

Almost surely, 2^{3984982689895} is an apocalyptic number.

3984982689895 is a deficient number, since it is larger than the sum of its proper divisors (817341437657).

3984982689895 is a wasteful number, since it uses less digits than its factorization.

3984982689895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281562.

The product of its digits is 19349176320, while the sum is 88.

The spelling of 3984982689895 in words is "three trillion, nine hundred eighty-four billion, nine hundred eighty-two million, six hundred eighty-nine thousand, eight hundred ninety-five".