3611389 has 2 divisors, whose sum is σ = 3611390. Its totient is φ = 3611388.

The previous prime is 3611381. The next prime is 3611393. The reversal of 3611389 is 9831163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 1734489 = 1370^2 + 1317^2 .

It is an emirp because it is prime and its reverse (9831163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3611389 - 2³ = 3611381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3611389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3611381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805694 + 1805695.

It is an arithmetic number, because the mean of its divisors is an integer number (1805695).

Almost surely, 2^3611389 is an apocalyptic number.

It is an amenable number.

3611389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611389 is an equidigital number, since it uses as much as digits as its factorization.

3611389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 3611389 is about 1900.3654911622. The cubic root of 3611389 is about 153.4233366787.

The spelling of 3611389 in words is "three million, six hundred eleven thousand, three hundred eighty-nine".