1606972 has 6 divisors (see below), whose sum is σ = 2812208. Its totient is φ = 803484.

The previous prime is 1606967. The next prime is 1606981. The reversal of 1606972 is 2796061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200868 + ... + 200875.

2^1606972 is an apocalyptic number.

It is an amenable number.

1606972 is a deficient number, since it is larger than the sum of its proper divisors (1205236).

1606972 is a wasteful number, since it uses less digits than its factorization.

1606972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401747 (or 401745 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1606972 is about 1267.6639933358. The cubic root of 1606972 is about 117.1303487961.

The spelling of 1606972 in words is "one million, six hundred six thousand, nine hundred seventy-two".