195790 has 16 divisors (see below), whose sum is σ = 402912. Its totient is φ = 67104.

The previous prime is 195787. The next prime is 195791. The reversal of 195790 is 97591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195791) 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, 1329 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (25182).

2¹⁹⁵⁷⁹⁰ is an apocalyptic number.

195790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195790 is an abundant number, since it is smaller than the sum of its proper divisors (207122).

It is a weird number, because it is abundant, but not a pseudoperfect number.

195790 is a wasteful number, since it uses less digits than its factorization.

195790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 195790 is about 442.4816380371. The cubic root of 195790 is about 58.0671042587.

The spelling of 195790 in words is "one hundred ninety-five thousand, seven hundred ninety".