194988417 has 8 divisors (see below), whose sum is σ = 279983424. Its totient is φ = 119992848.

The previous prime is 194988407. The next prime is 194988427. The reversal of 194988417 is 714889491.

194988417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194988407) and next prime (194988427).

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

It is not a de Polignac number, because 194988417 - 2⁸ = 194988161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194988417.

It is not an unprimeable number, because it can be changed into a prime (194988407) 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, 2499813 + ... + 2499890.

It is an arithmetic number, because the mean of its divisors is an integer number (34997928).

Almost surely, 2^194988417 is an apocalyptic number.

It is an amenable number.

194988417 is a deficient number, since it is larger than the sum of its proper divisors (84995007).

194988417 is a wasteful number, since it uses less digits than its factorization.

194988417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999719.

The product of its digits is 580608, while the sum is 51.

The square root of 194988417 is about 13963.8252996806. The cubic root of 194988417 is about 579.8775177354.

The spelling of 194988417 in words is "one hundred ninety-four million, nine hundred eighty-eight thousand, four hundred seventeen".