1608385 has 8 divisors (see below), whose sum is σ = 1938816. Its totient is φ = 1280880.

The previous prime is 1608379. The next prime is 1608401. The reversal of 1608385 is 5838061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1608385 - 2⁹ = 1607873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (242352).

2^1608385 is an apocalyptic number.

It is an amenable number.

1608385 is a deficient number, since it is larger than the sum of its proper divisors (330431).

1608385 is a wasteful number, since it uses less digits than its factorization.

1608385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1608385 is about 1268.2211952179. The cubic root of 1608385 is about 117.1646693894.

The spelling of 1608385 in words is "one million, six hundred eight thousand, three hundred eighty-five".