1608816 has 60 divisors (see below), whose sum is σ = 4584776. Its totient is φ = 485760.

The previous prime is 1608773. The next prime is 1608821. The reversal of 1608816 is 6188061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5670 + ... + 5946.

2^1608816 is an apocalyptic number.

1608816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1608816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292388).

1608816 is an abundant number, since it is smaller than the sum of its proper divisors (2975960).

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

1608816 is a wasteful number, since it uses less digits than its factorization.

1608816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1608816 is about 1268.3911068752. The cubic root of 1608816 is about 117.1751340196.

The spelling of 1608816 in words is "one million, six hundred eight thousand, eight hundred sixteen".