194840 has 16 divisors (see below), whose sum is σ = 438480. Its totient is φ = 77920.

The previous prime is 194839. The next prime is 194861. The reversal of 194840 is 48491.

194840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (27405).

2¹⁹⁴⁸⁴⁰ is an apocalyptic number.

194840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194840 is an abundant number, since it is smaller than the sum of its proper divisors (243640).

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

194840 is a wasteful number, since it uses less digits than its factorization.

194840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 194840 is about 441.4068418138. The cubic root of 194840 is about 57.9730354247.

The spelling of 194840 in words is "one hundred ninety-four thousand, eight hundred forty".