603606 has 16 divisors (see below), whose sum is σ = 1249200. Its totient is φ = 194208.

The previous prime is 603569. The next prime is 603607. The reversal of 603606 is 606306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (78075).

2⁶⁰³⁶⁰⁶ is an apocalyptic number.

603606 is an abundant number, since it is smaller than the sum of its proper divisors (645594).

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

603606 is a wasteful number, since it uses less digits than its factorization.

603606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 603606 is about 776.9208453890. The cubic root of 603606 is about 84.5118968346.

The spelling of 603606 in words is "six hundred three thousand, six hundred six".