1606726 has 16 divisors (see below), whose sum is σ = 2649600. Its totient is φ = 724680.

The previous prime is 1606723. The next prime is 1606733. The reversal of 1606726 is 6276061.

It is a junction number, because it is equal to n+sod(n) for n = 1606694 and 1606703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 7 ways as a sum of consecutive naturals, for example, 4195 + ... + 4561.

It is an arithmetic number, because the mean of its divisors is an integer number (165600).

2^1606726 is an apocalyptic number.

1606726 is a deficient number, since it is larger than the sum of its proper divisors (1042874).

1606726 is a wasteful number, since it uses less digits than its factorization.

1606726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1606726 is about 1267.5669607559. The cubic root of 1606726 is about 117.1243716050.

It can be divided in two parts, 1606 and 726, that added together give a palindrome (2332).

The spelling of 1606726 in words is "one million, six hundred six thousand, seven hundred twenty-six".