3960784189 has 2 divisors, whose sum is σ = 3960784190. Its totient is φ = 3960784188.

The previous prime is 3960784187. The next prime is 3960784199. The reversal of 3960784189 is 9814870693.

3960784189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3953265625 + 7518564 = 62875^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 3960784189 - 2¹ = 3960784187 is a prime.

It is a super-2 number, since 2×3960784189² = 31375622783664775442, which contains 22 as substring.

Together with 3960784187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3960784183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980392094 + 1980392095.

It is an arithmetic number, because the mean of its divisors is an integer number (1980392095).

Almost surely, 2^3960784189 is an apocalyptic number.

It is an amenable number.

3960784189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960784189 is an equidigital number, since it uses as much as digits as its factorization.

3960784189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3960784189 is about 62934.7613723926. The cubic root of 3960784189 is about 1582.1964043867.

The spelling of 3960784189 in words is "three billion, nine hundred sixty million, seven hundred eighty-four thousand, one hundred eighty-nine".