194330401 has 8 divisors (see below), whose sum is σ = 200033064. Its totient is φ = 188651520.

The previous prime is 194330399. The next prime is 194330407. The reversal of 194330401 is 104033491.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72250000 + 122080401 = 8500^2 + 11049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194330401 - 2¹ = 194330399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194330407) 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, 11361 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (25004133).

Almost surely, 2^194330401 is an apocalyptic number.

It is an amenable number.

194330401 is a deficient number, since it is larger than the sum of its proper divisors (5702663).

194330401 is a wasteful number, since it uses less digits than its factorization.

194330401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 194330401 is about 13940.2439361727. The cubic root of 194330401 is about 579.2244896970.

Adding to 194330401 its reverse (104033491), we get a palindrome (298363892).

The spelling of 194330401 in words is "one hundred ninety-four million, three hundred thirty thousand, four hundred one".