194398272 has 224 divisors, whose sum is σ = 624230400. Its totient is φ = 59097600.

The previous prime is 194398271. The next prime is 194398279. The reversal of 194398272 is 272893491.

194398272 is a `hidden beast` number, since 194 + 398 + 2 + 72 = 666.

It is a super-4 number, since 4×194398272⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (194398271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017697 + ... + 1017887.

Almost surely, 2^194398272 is an apocalyptic number.

194398272 is a gapful number since it is divisible by the number (12) 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 194398272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312115200).

194398272 is an abundant number, since it is smaller than the sum of its proper divisors (429832128).

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

194398272 is a wasteful number, since it uses less digits than its factorization.

194398272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 246 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 194398272 is about 13942.6780784755. The cubic root of 194398272 is about 579.2919143327.

The spelling of 194398272 in words is "one hundred ninety-four million, three hundred ninety-eight thousand, two hundred seventy-two".