396601189 has 4 divisors (see below), whose sum is σ = 402034156. Its totient is φ = 391168224.

The previous prime is 396601147. The next prime is 396601201. The reversal of 396601189 is 981106693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322813089 + 73788100 = 17967^2 + 8590^2 .

It is a cyclic number.

It is not a de Polignac number, because 396601189 - 2¹³ = 396592997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396608189) 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 3 ways as a sum of consecutive naturals, for example, 2716374 + ... + 2716519.

It is an arithmetic number, because the mean of its divisors is an integer number (100508539).

Almost surely, 2^396601189 is an apocalyptic number.

It is an amenable number.

396601189 is a deficient number, since it is larger than the sum of its proper divisors (5432967).

396601189 is an equidigital number, since it uses as much as digits as its factorization.

396601189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432966.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 396601189 is about 19914.8484553611. The cubic root of 396601189 is about 734.7134730888.

The spelling of 396601189 in words is "three hundred ninety-six million, six hundred one thousand, one hundred eighty-nine".