3391489 has 2 divisors, whose sum is σ = 3391490. Its totient is φ = 3391488.

The previous prime is 3391477. The next prime is 3391499. The reversal of 3391489 is 9841933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3301489 + 90000 = 1817^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3391489 - 2⁹ = 3390977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3391499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695744 + 1695745.

It is an arithmetic number, because the mean of its divisors is an integer number (1695745).

It is a Proth number, since it is equal to 207 ⋅ 2¹⁴ + 1 and 207 < 2¹⁴.

Almost surely, 2^3391489 is an apocalyptic number.

It is an amenable number.

3391489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3391489 is an equidigital number, since it uses as much as digits as its factorization.

3391489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 3391489 is about 1841.5995764552. The cubic root of 3391489 is about 150.2438847348.

The spelling of 3391489 in words is "three million, three hundred ninety-one thousand, four hundred eighty-nine".