195740 has 12 divisors (see below), whose sum is σ = 411096. Its totient is φ = 78288.

The previous prime is 195739. The next prime is 195743. The reversal of 195740 is 47591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195743) 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, 4874 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (34258).

2¹⁹⁵⁷⁴⁰ is an apocalyptic number.

195740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195740 is an abundant number, since it is smaller than the sum of its proper divisors (215356).

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

195740 is a wasteful number, since it uses less digits than its factorization.

195740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796 (or 9794 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 195740 is about 442.4251349099. The cubic root of 195740 is about 58.0621608629.

The spelling of 195740 in words is "one hundred ninety-five thousand, seven hundred forty".