1608443 has 2 divisors, whose sum is σ = 1608444. Its totient is φ = 1608442.

The previous prime is 1608437. The next prime is 1608449. The reversal of 1608443 is 3448061.

It is a balanced prime because it is at equal distance from previous prime (1608437) and next prime (1608449).

It is a cyclic number.

It is not a de Polignac number, because 1608443 - 2⁶ = 1608379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1608449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804221 + 804222.

It is an arithmetic number, because the mean of its divisors is an integer number (804222).

2^1608443 is an apocalyptic number.

1608443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608443 is an equidigital number, since it uses as much as digits as its factorization.

1608443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1608443 is about 1268.2440616853. The cubic root of 1608443 is about 117.1660777316.

The spelling of 1608443 in words is "one million, six hundred eight thousand, four hundred forty-three".