1606256 has 10 divisors (see below), whose sum is σ = 3112152. Its totient is φ = 803120.

The previous prime is 1606249. The next prime is 1606259. The reversal of 1606256 is 6526061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50180 + ... + 50211.

2^1606256 is an apocalyptic number.

1606256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1606256 is a deficient number, since it is larger than the sum of its proper divisors (1505896).

1606256 is a wasteful number, since it uses less digits than its factorization.

1606256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100399 (or 100393 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1606256 is about 1267.3815526510. The cubic root of 1606256 is about 117.1129500718.

The spelling of 1606256 in words is "one million, six hundred six thousand, two hundred fifty-six".