1608866 has 12 divisors (see below), whose sum is σ = 2807478. Its totient is φ = 689472.

The previous prime is 1608839. The next prime is 1608883. The reversal of 1608866 is 6688061.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 108241 = 1225^2 + 329^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8111 + ... + 8306.

2^1608866 is an apocalyptic number.

1608866 is a deficient number, since it is larger than the sum of its proper divisors (1198612).

1608866 is a wasteful number, since it uses less digits than its factorization.

1608866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433 (or 16426 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1608866 is about 1268.4108167309. The cubic root of 1608866 is about 117.1763478928.

The spelling of 1608866 in words is "one million, six hundred eight thousand, eight hundred sixty-six".