3718849 has 2 divisors, whose sum is σ = 3718850. Its totient is φ = 3718848.

The previous prime is 3718837. The next prime is 3718861. The reversal of 3718849 is 9488173.

It is a balanced prime because it is at equal distance from previous prime (3718837) and next prime (3718861).

It can be written as a sum of positive squares in only one way, i.e., 3448449 + 270400 = 1857^2 + 520^2 .

It is an emirp because it is prime and its reverse (9488173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3718849 - 2¹³ = 3710657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3718879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859424 + 1859425.

It is an arithmetic number, because the mean of its divisors is an integer number (1859425).

Almost surely, 2^3718849 is an apocalyptic number.

It is an amenable number.

3718849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3718849 is an equidigital number, since it uses as much as digits as its factorization.

3718849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 3718849 is about 1928.4317462643. The cubic root of 3718849 is about 154.9302356872.

The spelling of 3718849 in words is "three million, seven hundred eighteen thousand, eight hundred forty-nine".