396056189 has 2 divisors, whose sum is σ = 396056190. Its totient is φ = 396056188.

The previous prime is 396056179. The next prime is 396056237. The reversal of 396056189 is 981650693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395333689 + 722500 = 19883^2 + 850^2 .

It is an emirp because it is prime and its reverse (981650693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396056189 - 2⁴ = 396056173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396056119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198028094 + 198028095.

It is an arithmetic number, because the mean of its divisors is an integer number (198028095).

Almost surely, 2^396056189 is an apocalyptic number.

It is an amenable number.

396056189 is a deficient number, since it is larger than the sum of its proper divisors (1).

396056189 is an equidigital number, since it uses as much as digits as its factorization.

396056189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 396056189 is about 19901.1604938004. The cubic root of 396056189 is about 734.3767768395.

The spelling of 396056189 in words is "three hundred ninety-six million, fifty-six thousand, one hundred eighty-nine".