194794368 has 64 divisors (see below), whose sum is σ = 524586000. Its totient is φ = 64032768.

The previous prime is 194794361. The next prime is 194794373. The reversal of 194794368 is 863497491.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 194794368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194794361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24558 + ... + 31506.

Almost surely, 2^194794368 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 194794368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262293000).

194794368 is an abundant number, since it is smaller than the sum of its proper divisors (329791632).

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

194794368 is an equidigital number, since it uses as much as digits as its factorization.

194794368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039 (or 7027 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 194794368 is about 13956.8752949935. The cubic root of 194794368 is about 579.6850926291.

The spelling of 194794368 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, three hundred sixty-eight".