3791189 has 2 divisors, whose sum is σ = 3791190. Its totient is φ = 3791188.

The previous prime is 3791173. The next prime is 3791197. The reversal of 3791189 is 9811973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 935089 = 1690^2 + 967^2 .

It is an emirp because it is prime and its reverse (9811973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3791189 - 2⁴ = 3791173 is a prime.

It is a super-2 number, since 2×3791189² = 28746228067442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3791789) 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, 1895594 + 1895595.

It is an arithmetic number, because the mean of its divisors is an integer number (1895595).

Almost surely, 2^3791189 is an apocalyptic number.

It is an amenable number.

3791189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3791189 is an equidigital number, since it uses as much as digits as its factorization.

3791189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 3791189 is about 1947.0975835843. The cubic root of 3791189 is about 155.9283722233.

The spelling of 3791189 in words is "three million, seven hundred ninety-one thousand, one hundred eighty-nine".