1606433 has 2 divisors, whose sum is σ = 1606434. Its totient is φ = 1606432.

The previous prime is 1606427. The next prime is 1606439. The reversal of 1606433 is 3346061.

It is a balanced prime because it is at equal distance from previous prime (1606427) and next prime (1606439).

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 183184 = 1193^2 + 428^2 .

It is an emirp because it is prime and its reverse (3346061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606433 - 2¹⁴ = 1590049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606399 and 1606408.

It is not a weakly prime, because it can be changed into another prime (1606439) 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, 803216 + 803217.

It is an arithmetic number, because the mean of its divisors is an integer number (803217).

2^1606433 is an apocalyptic number.

It is an amenable number.

1606433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606433 is an equidigital number, since it uses as much as digits as its factorization.

1606433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1606433 is about 1267.4513797381. The cubic root of 1606433 is about 117.1172516341.

The spelling of 1606433 in words is "one million, six hundred six thousand, four hundred thirty-three".