194407841 has 4 divisors (see below), whose sum is σ = 194753712. Its totient is φ = 194061972.

The previous prime is 194407769. The next prime is 194407847. The reversal of 194407841 is 148704491.

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 not a de Polignac number, because 194407841 - 2²² = 190213537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 194407795 and 194407804.

It is not an unprimeable number, because it can be changed into a prime (194407847) 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, 172091 + ... + 173216.

It is an arithmetic number, because the mean of its divisors is an integer number (48688428).

Almost surely, 2^194407841 is an apocalyptic number.

It is an amenable number.

194407841 is a deficient number, since it is larger than the sum of its proper divisors (345871).

194407841 is an equidigital number, since it uses as much as digits as its factorization.

194407841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345870.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 194407841 is about 13943.0212292745. The cubic root of 194407841 is about 579.3014191384.

The spelling of 194407841 in words is "one hundred ninety-four million, four hundred seven thousand, eight hundred forty-one".