195406 has 8 divisors (see below), whose sum is σ = 300384. Its totient is φ = 95280.

The previous prime is 195401. The next prime is 195407. The reversal of 195406 is 604591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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

195406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (37548).

2¹⁹⁵⁴⁰⁶ is an apocalyptic number.

195406 is a deficient number, since it is larger than the sum of its proper divisors (104978).

195406 is a wasteful number, since it uses less digits than its factorization.

195406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 195406 is about 442.0475087590. The cubic root of 195406 is about 58.0291173657.

Adding to 195406 its reverse (604591), we get a palindrome (799997).

The spelling of 195406 in words is "one hundred ninety-five thousand, four hundred six".