3981037106 has 16 divisors (see below), whose sum is σ = 6185947320. Its totient is φ = 1920145920.

The previous prime is 3981037103. The next prime is 3981037129. The reversal of 3981037106 is 6017301893.

It can be written as a sum of positive squares in 4 ways, for example, as 776458225 + 3204578881 = 27865^2 + 56609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3981037106.

It is not an unprimeable number, because it can be changed into a prime (3981037103) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 265451 + ... + 280046.

Almost surely, 2^3981037106 is an apocalyptic number.

3981037106 is a deficient number, since it is larger than the sum of its proper divisors (2204910214).

3981037106 is a wasteful number, since it uses less digits than its factorization.

3981037106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545629.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3981037106 is about 63095.4602645864. The cubic root of 3981037106 is about 1584.8886010068. Note that the first 3 decimals are identical.

Adding to 3981037106 its reverse (6017301893), we get a palindrome (9998338999).

The spelling of 3981037106 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, one hundred six".