1606793 has 2 divisors, whose sum is σ = 1606794. Its totient is φ = 1606792.

The previous prime is 1606783. The next prime is 1606817. The reversal of 1606793 is 3976061.

1606793 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 135424 = 1213^2 + 368^2 .

It is an emirp because it is prime and its reverse (3976061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606793 - 2⁴ = 1606777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1606723) 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, 803396 + 803397.

It is an arithmetic number, because the mean of its divisors is an integer number (803397).

2^1606793 is an apocalyptic number.

It is an amenable number.

1606793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606793 is an equidigital number, since it uses as much as digits as its factorization.

1606793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1606793 is about 1267.5933890645. The cubic root of 1606793 is about 117.1259995997.

The spelling of 1606793 in words is "one million, six hundred six thousand, seven hundred ninety-three".