1606733 has 2 divisors, whose sum is σ = 1606734. Its totient is φ = 1606732.

The previous prime is 1606723. The next prime is 1606739. The reversal of 1606733 is 3376061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1605289 + 1444 = 1267^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606733 - 2⁶ = 1606669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803366 + 803367.

It is an arithmetic number, because the mean of its divisors is an integer number (803367).

2^1606733 is an apocalyptic number.

It is an amenable number.

1606733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606733 is an equidigital number, since it uses as much as digits as its factorization.

1606733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1606733 is about 1267.5697219483. The cubic root of 1606733 is about 117.1245416961.

The spelling of 1606733 in words is "one million, six hundred six thousand, seven hundred thirty-three".