3090389 has 2 divisors, whose sum is σ = 3090390. Its totient is φ = 3090388.

The previous prime is 3090383. The next prime is 3090397. The reversal of 3090389 is 9830903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 27889 = 1750^2 + 167^2 .

It is an emirp because it is prime and its reverse (9830903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3090389 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3090383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545194 + 1545195.

It is an arithmetic number, because the mean of its divisors is an integer number (1545195).

Almost surely, 2^3090389 is an apocalyptic number.

It is an amenable number.

3090389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3090389 is an equidigital number, since it uses as much as digits as its factorization.

3090389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3090389 is about 1757.9502268267. The cubic root of 3090389 is about 145.6591316043.

The spelling of 3090389 in words is "three million, ninety thousand, three hundred eighty-nine".