3980031556 has 6 divisors (see below), whose sum is σ = 6965055230. Its totient is φ = 1990015776.

The previous prime is 3980031547. The next prime is 3980031563. The reversal of 3980031556 is 6551300893.

It can be written as a sum of positive squares in only one way, i.e., 3067387456 + 912644100 = 55384^2 + 30210^2 .

It is a super-2 number, since 2×3980031556² = 31681302373511562272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497503941 + ... + 497503948.

Almost surely, 2^3980031556 is an apocalyptic number.

It is an amenable number.

3980031556 is a deficient number, since it is larger than the sum of its proper divisors (2985023674).

3980031556 is a wasteful number, since it uses less digits than its factorization.

3980031556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995007893 (or 995007891 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 3980031556 is about 63087.4912799677. The cubic root of 3980031556 is about 1584.7551501087.

The spelling of 3980031556 in words is "three billion, nine hundred eighty million, thirty-one thousand, five hundred fifty-six".