194482739 has 4 divisors (see below), whose sum is σ = 212163000. Its totient is φ = 176802480.

The previous prime is 194482699. The next prime is 194482763. The reversal of 194482739 is 937284491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194482739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194482693 and 194482702.

It is not an unprimeable number, because it can be changed into a prime (194482139) 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, 8840114 + ... + 8840135.

It is an arithmetic number, because the mean of its divisors is an integer number (53040750).

Almost surely, 2^194482739 is an apocalyptic number.

194482739 is a deficient number, since it is larger than the sum of its proper divisors (17680261).

194482739 is a wasteful number, since it uses less digits than its factorization.

194482739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680260.

The product of its digits is 435456, while the sum is 47.

The square root of 194482739 is about 13945.7068304192. The cubic root of 194482739 is about 579.3758039071.

The spelling of 194482739 in words is "one hundred ninety-four million, four hundred eighty-two thousand, seven hundred thirty-nine".