603856 has 40 divisors (see below), whose sum is σ = 1321344. Its totient is φ = 264960.

The previous prime is 603853. The next prime is 603859. The reversal of 603856 is 658306.

It is an interprime number because it is at equal distance from previous prime (603853) and next prime (603859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8236 + ... + 8308.

2⁶⁰³⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 603856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660672).

603856 is an abundant number, since it is smaller than the sum of its proper divisors (717488).

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

603856 is a wasteful number, since it uses less digits than its factorization.

603856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 603856 is about 777.0817202843. The cubic root of 603856 is about 84.5235628651.

It can be divided in two parts, 60 and 3856, that added together give a triangular number (3916 = T₈₈).

The spelling of 603856 in words is "six hundred three thousand, eight hundred fifty-six".