1608345 has 24 divisors (see below), whose sum is σ = 2822976. Its totient is φ = 847008.

The previous prime is 1608337. The next prime is 1608349. The reversal of 1608345 is 5438061.

It is not a de Polignac number, because 1608345 - 2³ = 1608337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1608349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4462 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (117624).

2^1608345 is an apocalyptic number.

1608345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1608345 is a deficient number, since it is larger than the sum of its proper divisors (1214631).

1608345 is a wasteful number, since it uses less digits than its factorization.

1608345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1608345 is about 1268.2054250002. The cubic root of 1608345 is about 117.1636980993.

It can be divided in two parts, 1608 and 345, that added together give a triangular number (1953 = T₆₂).

The spelling of 1608345 in words is "one million, six hundred eight thousand, three hundred forty-five".