1606312 has 8 divisors (see below), whose sum is σ = 3011850. Its totient is φ = 803152.

The previous prime is 1606309. The next prime is 1606321. The reversal of 1606312 is 2136061.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 320356 = 1134^2 + 566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1606312.

It is an unprimeable number.

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, 100387 + ... + 100402.

2^1606312 is an apocalyptic number.

It is an amenable number.

1606312 is a deficient number, since it is larger than the sum of its proper divisors (1405538).

1606312 is a wasteful number, since it uses less digits than its factorization.

1606312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200795 (or 200791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1606312 is about 1267.4036452528. The cubic root of 1606312 is about 117.1143110523.

Adding to 1606312 its product of nonzero digits (216), we get a triangular number (1606528 = T₁₇₉₂).

The spelling of 1606312 in words is "one million, six hundred six thousand, three hundred twelve".