194880384 has 256 divisors, whose sum is σ = 634521600. Its totient is φ = 58613760.

The previous prime is 194880379. The next prime is 194880391. The reversal of 194880384 is 483088491.

194880384 is a `hidden beast` number, since 194 + 8 + 80 + 384 = 666.

194880384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1821259 + ... + 1821365.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 2^194880384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194880384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317260800).

194880384 is an abundant number, since it is smaller than the sum of its proper divisors (439641216).

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

194880384 is a wasteful number, since it uses less digits than its factorization.

194880384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 194880384 is about 13959.9564469235. The cubic root of 194880384 is about 579.7704045676.

The spelling of 194880384 in words is "one hundred ninety-four million, eight hundred eighty thousand, three hundred eighty-four".