603684 has 36 divisors (see below), whose sum is σ = 1567020. Its totient is φ = 195840.

The previous prime is 603679. The next prime is 603689. The reversal of 603684 is 486306.

It is an interprime number because it is at equal distance from previous prime (603679) and next prime (603689).

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 324900 = 528^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 603684.

It is not an unprimeable number, because it can be changed into a prime (603689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 1680.

2⁶⁰³⁶⁸⁴ 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 603684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783510).

603684 is an abundant number, since it is smaller than the sum of its proper divisors (963336).

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

603684 is a wasteful number, since it uses less digits than its factorization.

603684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 603684 is about 776.9710419314. The cubic root of 603684 is about 84.5155369818.

The spelling of 603684 in words is "six hundred three thousand, six hundred eighty-four".