3981590889 has 16 divisors (see below), whose sum is σ = 5344628544. Its totient is φ = 2636524800.

The previous prime is 3981590887. The next prime is 3981590917. The reversal of 3981590889 is 9880951893.

It is not a de Polignac number, because 3981590889 - 2¹ = 3981590887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3981590887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323757 + ... + 335829.

It is an arithmetic number, because the mean of its divisors is an integer number (334039284).

Almost surely, 2^3981590889 is an apocalyptic number.

It is an amenable number.

3981590889 is a deficient number, since it is larger than the sum of its proper divisors (1363037655).

3981590889 is a wasteful number, since it uses less digits than its factorization.

3981590889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 5598720, while the sum is 60.

The square root of 3981590889 is about 63099.8485655869. The cubic root of 3981590889 is about 1584.9620863531.

The spelling of 3981590889 in words is "three billion, nine hundred eighty-one million, five hundred ninety thousand, eight hundred eighty-nine".