1608682 has 4 divisors (see below), whose sum is σ = 2413026. Its totient is φ = 804340.

The previous prime is 1608671. The next prime is 1608697. The reversal of 1608682 is 2868061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2868061 = 7 ⋅409723.

It can be written as a sum of positive squares in only one way, i.e., 1565001 + 43681 = 1251^2 + 209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402169 + ... + 402172.

2^1608682 is an apocalyptic number.

1608682 is a deficient number, since it is larger than the sum of its proper divisors (804344).

1608682 is an equidigital number, since it uses as much as digits as its factorization.

1608682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804343.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1608682 is about 1268.3382829514. The cubic root of 1608682 is about 117.1718807153.

The spelling of 1608682 in words is "one million, six hundred eight thousand, six hundred eighty-two".