1608704 has 22 divisors (see below), whose sum is σ = 3217884. Its totient is φ = 803840.

The previous prime is 1608703. The next prime is 1608707. The reversal of 1608704 is 4078061.

It is not an unprimeable number, because it can be changed into a prime (1608703) by changing a digit.

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, 239 + ... + 1809.

2^1608704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1608704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608942).

1608704 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1608704 is an equidigital number, since it uses as much as digits as its factorization.

1608704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1608704 is about 1268.3469556868. The cubic root of 1608704 is about 117.1724148523.

The spelling of 1608704 in words is "one million, six hundred eight thousand, seven hundred four".