194344704 has 144 divisors (see below), whose sum is σ = 593904640. Its totient is φ = 62622720.

The previous prime is 194344691. The next prime is 194344727. The reversal of 194344704 is 407443491.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 213819 + ... + 214725.

Almost surely, 2^194344704 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 194344704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296952320).

194344704 is an abundant number, since it is smaller than the sum of its proper divisors (399559936).

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

194344704 is an equidigital number, since it uses as much as digits as its factorization.

194344704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 194344704 is about 13940.7569378424. The cubic root of 194344704 is about 579.2386999365.

The spelling of 194344704 in words is "one hundred ninety-four million, three hundred forty-four thousand, seven hundred four".