195378 has 8 divisors (see below), whose sum is σ = 390768. Its totient is φ = 65124.

The previous prime is 195359. The next prime is 195389. The reversal of 195378 is 873591.

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

195378 is an admirable number.

It is an unprimeable number.

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, 16276 + ... + 16287.

It is an arithmetic number, because the mean of its divisors is an integer number (48846).

2¹⁹⁵³⁷⁸ is an apocalyptic number.

195378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195378 is a wasteful number, since it uses less digits than its factorization.

195378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32568.

The product of its digits is 7560, while the sum is 33.

The square root of 195378 is about 442.0158368204. The cubic root of 195378 is about 58.0263455421.

The spelling of 195378 in words is "one hundred ninety-five thousand, three hundred seventy-eight".