194982841 has 4 divisors (see below), whose sum is σ = 195011572. Its totient is φ = 194954112.

The previous prime is 194982833. The next prime is 194982869. The reversal of 194982841 is 148289491.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148289491 = 7 ⋅21184213.

It can be written as a sum of positive squares in 2 ways, for example, as 103225600 + 91757241 = 10160^2 + 9579^2 .

It is a cyclic number.

It is not a de Polignac number, because 194982841 - 2³ = 194982833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194982791 and 194982800.

It is not an unprimeable number, because it can be changed into a prime (194982871) 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, 2125 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (48752893).

Almost surely, 2^194982841 is an apocalyptic number.

It is an amenable number.

194982841 is a deficient number, since it is larger than the sum of its proper divisors (28731).

194982841 is a wasteful number, since it uses less digits than its factorization.

194982841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28730.

The product of its digits is 165888, while the sum is 46.

The square root of 194982841 is about 13963.6256394964. The cubic root of 194982841 is about 579.8719901799.

The spelling of 194982841 in words is "one hundred ninety-four million, nine hundred eighty-two thousand, eight hundred forty-one".