195408 has 60 divisors (see below), whose sum is σ = 580320. Its totient is φ = 61248.

The previous prime is 195407. The next prime is 195413. The reversal of 195408 is 804591.

It is a nialpdrome in base 12.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3283 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (9672).

2¹⁹⁵⁴⁰⁸ is an apocalyptic number.

195408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290160).

195408 is an abundant number, since it is smaller than the sum of its proper divisors (384912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195408 is a wasteful number, since it uses less digits than its factorization.

195408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 195408 is about 442.0497709535. The cubic root of 195408 is about 58.0293153430.

Adding to 195408 its reverse (804591), we get a palindrome (999999).

The spelling of 195408 in words is "one hundred ninety-five thousand, four hundred eight".