194981600 has 72 divisors (see below), whose sum is σ = 519294888. Its totient is φ = 70899200.

The previous prime is 194981581. The next prime is 194981617. The reversal of 194981600 is 6189491.

It is a happy number.

194981600 is digitally balanced in base 3, 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 11 ways as a sum of consecutive naturals, for example, 2279 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (7212429).

Almost surely, 2^194981600 is an apocalyptic number.

194981600 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 194981600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259647444).

194981600 is an abundant number, since it is smaller than the sum of its proper divisors (324313288).

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

194981600 is a wasteful number, since it uses less digits than its factorization.

194981600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188 (or 22175 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 194981600 is about 13963.5812025426. The cubic root of 194981600 is about 579.8707599474.

The spelling of 194981600 in words is "one hundred ninety-four million, nine hundred eighty-one thousand, six hundred".