1608688 has 20 divisors (see below), whose sum is σ = 3225240. Its totient is φ = 776384.

The previous prime is 1608671. The next prime is 1608697. The reversal of 1608688 is 8868061.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (161262).

2^1608688 is an apocalyptic number.

It is an amenable number.

1608688 is an abundant number, since it is smaller than the sum of its proper divisors (1616552).

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

1608688 is a wasteful number, since it uses less digits than its factorization.

1608688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1608688 is about 1268.3406482487. The cubic root of 1608688 is about 117.1720263895.

The spelling of 1608688 in words is "one million, six hundred eight thousand, six hundred eighty-eight".