194840401 has 8 divisors (see below), whose sum is σ = 225811584. Its totient is φ = 164653440.

The previous prime is 194840381. The next prime is 194840411. The reversal of 194840401 is 104048491.

194840401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 194840401 - 2⁷ = 194840273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194840411) 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, 195520 + ... + 196513.

It is an arithmetic number, because the mean of its divisors is an integer number (28226448).

Almost surely, 2^194840401 is an apocalyptic number.

It is an amenable number.

194840401 is a deficient number, since it is larger than the sum of its proper divisors (30971183).

194840401 is an equidigital number, since it uses as much as digits as its factorization.

194840401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392111.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 194840401 is about 13958.5243131214. The cubic root of 194840401 is about 579.7307519610.

Adding to 194840401 its reverse (104048491), we get a palindrome (298888892).

The spelling of 194840401 in words is "one hundred ninety-four million, eight hundred forty thousand, four hundred one".