2936389 has 2 divisors, whose sum is σ = 2936390. Its totient is φ = 2936388.

The previous prime is 2936383. The next prime is 2936407. The reversal of 2936389 is 9836392.

2936389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1520289 + 1416100 = 1233^2 + 1190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2936389 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2936383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1468194 + 1468195.

It is an arithmetic number, because the mean of its divisors is an integer number (1468195).

2^2936389 is an apocalyptic number.

It is an amenable number.

2936389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2936389 is an equidigital number, since it uses as much as digits as its factorization.

2936389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 2936389 is about 1713.5895074375. The cubic root of 2936389 is about 143.1983002045.

The spelling of 2936389 in words is "two million, nine hundred thirty-six thousand, three hundred eighty-nine".