3941983801 has 24 divisors (see below), whose sum is σ = 4640577480. Its totient is φ = 3338496000.

The previous prime is 3941983781. The next prime is 3941983807. The reversal of 3941983801 is 1083891493.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1909777401 + 2032206400 = 43701^2 + 45080^2 .

It is not a de Polignac number, because 3941983801 - 2⁷ = 3941983673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3941983807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2461401 + ... + 2463001.

It is an arithmetic number, because the mean of its divisors is an integer number (193357395).

Almost surely, 2^3941983801 is an apocalyptic number.

It is an amenable number.

3941983801 is a deficient number, since it is larger than the sum of its proper divisors (698593679).

3941983801 is a wasteful number, since it uses less digits than its factorization.

3941983801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 3941983801 is about 62785.2196062099. The cubic root of 3941983801 is about 1579.6890646215.

The spelling of 3941983801 in words is "three billion, nine hundred forty-one million, nine hundred eighty-three thousand, eight hundred one".