3973803881 has 8 divisors (see below), whose sum is σ = 3981887880. Its totient is φ = 3965730048.

The previous prime is 3973803871. The next prime is 3973803901. The reversal of 3973803881 is 1883083793.

It can be written as a sum of positive squares in 4 ways, for example, as 2609166400 + 1364637481 = 51080^2 + 36941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3973803881 - 2¹⁰ = 3973802857 is a prime.

It is a super-2 number, since 2×3973803881² = 31582234569301324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973803871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629395 + ... + 1631831.

It is an arithmetic number, because the mean of its divisors is an integer number (497735985).

Almost surely, 2^3973803881 is an apocalyptic number.

It is an amenable number.

3973803881 is a deficient number, since it is larger than the sum of its proper divisors (8083999).

3973803881 is a wasteful number, since it uses less digits than its factorization.

3973803881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 3973803881 is about 63038.1145101914. The cubic root of 3973803881 is about 1583.9281472749.

The spelling of 3973803881 in words is "three billion, nine hundred seventy-three million, eight hundred three thousand, eight hundred eighty-one".