194897349 has 12 divisors (see below), whose sum is σ = 282277996. Its totient is φ = 129580992.

The previous prime is 194897327. The next prime is 194897369. The reversal of 194897349 is 943798491.

It can be written as a sum of positive squares in 2 ways, for example, as 98366724 + 96530625 = 9918^2 + 9825^2 .

It is not a de Polignac number, because 194897349 - 2⁷ = 194897221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194897295 and 194897304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194897309) 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 11 ways as a sum of consecutive naturals, for example, 25672 + ... + 32385.

Almost surely, 2^194897349 is an apocalyptic number.

It is an amenable number.

194897349 is a deficient number, since it is larger than the sum of its proper divisors (87380647).

194897349 is a wasteful number, since it uses less digits than its factorization.

194897349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58436 (or 58433 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 194897349 is about 13960.5640645355. The cubic root of 194897349 is about 579.7872277411.

The spelling of 194897349 in words is "one hundred ninety-four million, eight hundred ninety-seven thousand, three hundred forty-nine".