195404 has 12 divisors (see below), whose sum is σ = 373128. Its totient is φ = 88800.

The previous prime is 195401. The next prime is 195407. The reversal of 195404 is 404591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (195401) and next prime (195407).

It is a self number, because there is not a number n which added to its sum of digits gives 195404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195404.

It is not an unprimeable number, because it can be changed into a prime (195401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (31094).

2¹⁹⁵⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

195404 is a deficient number, since it is larger than the sum of its proper divisors (177724).

195404 is a wasteful number, since it uses less digits than its factorization.

195404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456 (or 4454 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 195404 is about 442.0452465529. The cubic root of 195404 is about 58.0289193871.

Adding to 195404 its reverse (404591), we get a palindrome (599995).

The spelling of 195404 in words is "one hundred ninety-five thousand, four hundred four".