1606349 has 2 divisors, whose sum is σ = 1606350. Its totient is φ = 1606348.

The previous prime is 1606331. The next prime is 1606379. The reversal of 1606349 is 9436061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 570025 = 1018^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606349 - 2¹⁶ = 1540813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803174 + 803175.

It is an arithmetic number, because the mean of its divisors is an integer number (803175).

2^1606349 is an apocalyptic number.

It is an amenable number.

1606349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606349 is an equidigital number, since it uses as much as digits as its factorization.

1606349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1606349 is about 1267.4182419391. The cubic root of 1606349 is about 117.1152102541.

The spelling of 1606349 in words is "one million, six hundred six thousand, three hundred forty-nine".