194720316 has 108 divisors (see below), whose sum is σ = 544481784. Its totient is φ = 54001920.

The previous prime is 194720293. The next prime is 194720321. The reversal of 194720316 is 613027491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 988330 + ... + 988526.

It is an arithmetic number, because the mean of its divisors is an integer number (5041498).

Almost surely, 2^194720316 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 194720316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272240892).

194720316 is an abundant number, since it is smaller than the sum of its proper divisors (349761468).

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

194720316 is a wasteful number, since it uses less digits than its factorization.

194720316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 194720316 is about 13954.2221567524. Note that the first 3 decimals coincide. The cubic root of 194720316 is about 579.6116266425.

The spelling of 194720316 in words is "one hundred ninety-four million, seven hundred twenty thousand, three hundred sixteen".