3986003986 has 16 divisors (see below), whose sum is σ = 6041843928. Its totient is φ = 1972080000.

The previous prime is 3986003909. The next prime is 3986003993. The reversal of 3986003986 is 6893006893.

It can be written as a sum of positive squares in 4 ways, for example, as 3608284761 + 377719225 = 60069^2 + 19435^2 .

It is a super-3 number, since 3×3986003986³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397636 + ... + 407536.

Almost surely, 2^3986003986 is an apocalyptic number.

3986003986 is a deficient number, since it is larger than the sum of its proper divisors (2055839942).

3986003986 is a wasteful number, since it uses less digits than its factorization.

3986003986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11997.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 3986003986 is about 63134.8080380387. The cubic root of 3986003986 is about 1585.5474477494.

It can be divided in two parts, 398600 and 3986, that multiplied together give a square (1588819600 = 39860²).

The spelling of 3986003986 in words is "three billion, nine hundred eighty-six million, three thousand, nine hundred eighty-six".