194834369 has 4 divisors (see below), whose sum is σ = 194871600. Its totient is φ = 194797140.

The previous prime is 194834359. The next prime is 194834371. The reversal of 194834369 is 963438491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194834369 is a prime.

It is a super-2 number, since 2×194834369² = 75920862687256322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194834309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9167 + ... + 21764.

It is an arithmetic number, because the mean of its divisors is an integer number (48717900).

Almost surely, 2^194834369 is an apocalyptic number.

It is an amenable number.

194834369 is a deficient number, since it is larger than the sum of its proper divisors (37231).

194834369 is an equidigital number, since it uses as much as digits as its factorization.

194834369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37230.

The product of its digits is 559872, while the sum is 47.

The square root of 194834369 is about 13958.3082427635. The cubic root of 194834369 is about 579.7247693346.

The spelling of 194834369 in words is "one hundred ninety-four million, eight hundred thirty-four thousand, three hundred sixty-nine".