1608964 has 18 divisors (see below), whose sum is σ = 3275790. Its totient is φ = 689472.

The previous prime is 1608941. The next prime is 1608979. The reversal of 1608964 is 4698061.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 592900 = 1008^2 + 770^2 .

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3909 + ... + 4300.

2^1608964 is an apocalyptic number.

1608964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1608964 is an abundant number, since it is smaller than the sum of its proper divisors (1666826).

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

1608964 is a wasteful number, since it uses less digits than its factorization.

1608964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1608964 is about 1268.4494471598. The cubic root of 1608964 is about 117.1787270114.

The spelling of 1608964 in words is "one million, six hundred eight thousand, nine hundred sixty-four".