194620001 has 4 divisors (see below), whose sum is σ = 195470100. Its totient is φ = 193769904.

The previous prime is 194619991. The next prime is 194620009. The reversal of 194620001 is 100026491.

It is a happy number.

194620001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96510976 + 98109025 = 9824^2 + 9905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194620001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194620009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424706 + ... + 425163.

It is an arithmetic number, because the mean of its divisors is an integer number (48867525).

Almost surely, 2^194620001 is an apocalyptic number.

It is an amenable number.

194620001 is a deficient number, since it is larger than the sum of its proper divisors (850099).

194620001 is an equidigital number, since it uses as much as digits as its factorization.

194620001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850098.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 194620001 is about 13950.6272618832. The cubic root of 194620001 is about 579.5120757771.

Adding to 194620001 its reverse (100026491), we get a palindrome (294646492).

The spelling of 194620001 in words is "one hundred ninety-four million, six hundred twenty thousand, one".