194297943 has 8 divisors (see below), whose sum is σ = 296073088. Its totient is φ = 111027384.

The previous prime is 194297927. The next prime is 194297959. The reversal of 194297943 is 349792491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194297927) and next prime (194297959).

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

It is not a de Polignac number, because 194297943 - 2⁴ = 194297927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194297892 and 194297901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194297143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4626121 + ... + 4626162.

It is an arithmetic number, because the mean of its divisors is an integer number (37009136).

Almost surely, 2^194297943 is an apocalyptic number.

194297943 is a deficient number, since it is larger than the sum of its proper divisors (101775145).

194297943 is an equidigital number, since it uses as much as digits as its factorization.

194297943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252293.

The product of its digits is 489888, while the sum is 48.

The square root of 194297943 is about 13939.0797041986. The cubic root of 194297943 is about 579.1922396129.

It can be divided in two parts, 19429 and 7943, that added together give a palindrome (27372).

The spelling of 194297943 in words is "one hundred ninety-four million, two hundred ninety-seven thousand, nine hundred forty-three".