1608636 has 12 divisors (see below), whose sum is σ = 3753512. Its totient is φ = 536208.

The previous prime is 1608617. The next prime is 1608637. The reversal of 1608636 is 6368061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608637) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 67015 + ... + 67038.

2^1608636 is an apocalyptic number.

It is an amenable number.

1608636 is an abundant number, since it is smaller than the sum of its proper divisors (2144876).

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

1608636 is a wasteful number, since it uses less digits than its factorization.

1608636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134060 (or 134058 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1608636 is about 1268.3201488583. The cubic root of 1608636 is about 117.1707638677.

The spelling of 1608636 in words is "one million, six hundred eight thousand, six hundred thirty-six".