395604189 has 8 divisors (see below), whose sum is σ = 586080320. Its totient is φ = 263736108.

The previous prime is 395604133. The next prime is 395604193. The reversal of 395604189 is 981406593.

It is a happy number.

395604189 is a `hidden beast` number, since 3 + 9 + 560 + 4 + 1 + 89 = 666.

It is not a de Polignac number, because 395604189 - 2²⁰ = 394555613 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 (395604289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325977 + ... + 7326030.

It is an arithmetic number, because the mean of its divisors is an integer number (73260040).

Almost surely, 2^395604189 is an apocalyptic number.

It is an amenable number.

395604189 is a deficient number, since it is larger than the sum of its proper divisors (190476131).

395604189 is a wasteful number, since it uses less digits than its factorization.

395604189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652016 (or 14652010 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 395604189 is about 19889.8011302275. The cubic root of 395604189 is about 734.0973007891.

The spelling of 395604189 in words is "three hundred ninety-five million, six hundred four thousand, one hundred eighty-nine".