604406 has 16 divisors (see below), whose sum is σ = 1003968. Its totient is φ = 270600.

The previous prime is 604397. The next prime is 604411.

604406 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×604406² = 730613225672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

604406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1661 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (62748).

2⁶⁰⁴⁴⁰⁶ is an apocalyptic number.

604406 is a deficient number, since it is larger than the sum of its proper divisors (399562).

604406 is a wasteful number, since it uses less digits than its factorization.

604406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 604406 is about 777.4355278735. The cubic root of 604406 is about 84.5492168028.

The spelling of 604406 in words is "six hundred four thousand, four hundred six".