3718349 has 2 divisors, whose sum is σ = 3718350. Its totient is φ = 3718348.

The previous prime is 3718327. The next prime is 3718361. The reversal of 3718349 is 9438173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 1841449 = 1370^2 + 1357^2 .

It is an emirp because it is prime and its reverse (9438173) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3718349 is a prime.

It is a super-2 number, since 2×3718349² = 27652238571602, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3718549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859174 + 1859175.

It is an arithmetic number, because the mean of its divisors is an integer number (1859175).

Almost surely, 2^3718349 is an apocalyptic number.

It is an amenable number.

3718349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3718349 is an equidigital number, since it uses as much as digits as its factorization.

3718349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 3718349 is about 1928.3021028874. The cubic root of 3718349 is about 154.9232919088.

The spelling of 3718349 in words is "three million, seven hundred eighteen thousand, three hundred forty-nine".