1608340 has 48 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 597632.

The previous prime is 1608337. The next prime is 1608349. The reversal of 1608340 is 438061.

1608340 = T₃₉₁ + T₃₉₂ + ... + T₄₁₀.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 27231 + ... + 27289.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1608340 is an apocalyptic number.

1608340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1608340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

1608340 is an abundant number, since it is smaller than the sum of its proper divisors (2020460).

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

1608340 is a wasteful number, since it uses less digits than its factorization.

1608340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1608340 is about 1268.2034537092. The cubic root of 1608340 is about 117.1635766869.

The spelling of 1608340 in words is "one million, six hundred eight thousand, three hundred forty".