1606672 has 10 divisors (see below), whose sum is σ = 3112958. Its totient is φ = 803328.

The previous prime is 1606669. The next prime is 1606681. The reversal of 1606672 is 2766061.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 614656 = 996^2 + 784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1606672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50193 + ... + 50224.

2^1606672 is an apocalyptic number.

It is an amenable number.

1606672 is a deficient number, since it is larger than the sum of its proper divisors (1506286).

1606672 is a wasteful number, since it uses less digits than its factorization.

1606672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100425 (or 100419 counting only the distinct ones).

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

The square root of 1606672 is about 1267.5456599271. The cubic root of 1606672 is about 117.1230594570.

It can be divided in two parts, 1606 and 672, that added together give a triangular number (2278 = T₆₇).

The spelling of 1606672 in words is "one million, six hundred six thousand, six hundred seventy-two".