1608144 has 20 divisors (see below), whose sum is σ = 4154496. Its totient is φ = 536032.

The previous prime is 1608133. The next prime is 1608197. The reversal of 1608144 is 4418061.

It is a super-2 number, since 2×1608144² = 5172254249472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 16704 + ... + 16799.

2^1608144 is an apocalyptic number.

It is an amenable number.

1608144 is an abundant number, since it is smaller than the sum of its proper divisors (2546352).

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

1608144 is a wasteful number, since it uses less digits than its factorization.

1608144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33514 (or 33508 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1608144 is about 1268.1261766875. The cubic root of 1608144 is about 117.1588171224.

The spelling of 1608144 in words is "one million, six hundred eight thousand, one hundred forty-four".