1606306 has 8 divisors (see below), whose sum is σ = 2594844. Its totient is φ = 741360.

The previous prime is 1606291. The next prime is 1606309. The reversal of 1606306 is 6036061.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 416025 = 1091^2 + 645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1606309) 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 3 ways as a sum of consecutive naturals, for example, 30865 + ... + 30916.

2^1606306 is an apocalyptic number.

1606306 is a deficient number, since it is larger than the sum of its proper divisors (988538).

1606306 is a wasteful number, since it uses less digits than its factorization.

1606306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61796.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1606306 is about 1267.4012782067. The cubic root of 1606306 is about 117.1141652344.

The spelling of 1606306 in words is "one million, six hundred six thousand, three hundred six".