1608743 has 2 divisors, whose sum is σ = 1608744. Its totient is φ = 1608742.

The previous prime is 1608713. The next prime is 1608751. The reversal of 1608743 is 3478061.

It is a strong prime.

It is an emirp because it is prime and its reverse (3478061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1608743 - 2⁸ = 1608487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1608703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804371 + 804372.

It is an arithmetic number, because the mean of its divisors is an integer number (804372).

2^1608743 is an apocalyptic number.

1608743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608743 is an equidigital number, since it uses as much as digits as its factorization.

1608743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1608743 is about 1268.3623299357. The cubic root of 1608743 is about 117.1733617195.

The spelling of 1608743 in words is "one million, six hundred eight thousand, seven hundred forty-three".