1609608 has 128 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 380160.

The previous prime is 1609589. The next prime is 1609627. The reversal of 1609608 is 8069061.

It is an interprime number because it is at equal distance from previous prime (1609589) and next prime (1609627).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23991 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2^1609608 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 1609608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741760).

1609608 is an abundant number, since it is smaller than the sum of its proper divisors (3873912).

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

1609608 is a wasteful number, since it uses less digits than its factorization.

1609608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1609608 is about 1268.7032750017. The cubic root of 1609608 is about 117.1943588163.

The spelling of 1609608 in words is "one million, six hundred nine thousand, six hundred eight".