194798800 has 120 divisors (see below), whose sum is σ = 553536000. Its totient is φ = 64458240.

The previous prime is 194798783. The next prime is 194798809. The reversal of 194798800 is 8897491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194798809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80001 + ... + 82399.

It is an arithmetic number, because the mean of its divisors is an integer number (4612800).

Almost surely, 2^194798800 is an apocalyptic number.

194798800 is a gapful number since it is divisible by the number (10) 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 194798800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276768000).

194798800 is an abundant number, since it is smaller than the sum of its proper divisors (358737200).

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

194798800 is a wasteful number, since it uses less digits than its factorization.

194798800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 194798800 is about 13957.0340688844. The cubic root of 194798800 is about 579.6894889657.

The spelling of 194798800 in words is "one hundred ninety-four million, seven hundred ninety-eight thousand, eight hundred".