1608256 has 28 divisors (see below), whose sum is σ = 3438652. Its totient is φ = 741888.

The previous prime is 1608241. The next prime is 1608259. The reversal of 1608256 is 6528061.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 968256 = 800^2 + 984^2 .

It is not an unprimeable number, because it can be changed into a prime (1608259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (122809).

2^1608256 is an apocalyptic number.

1608256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1608256 is an abundant number, since it is smaller than the sum of its proper divisors (1830396).

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

1608256 is a wasteful number, since it uses less digits than its factorization.

1608256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1608256 is about 1268.1703355622. The cubic root of 1608256 is about 117.1615369209.

The spelling of 1608256 in words is "one million, six hundred eight thousand, two hundred fifty-six".