604390 has 16 divisors (see below), whose sum is σ = 1145520. Its totient is φ = 228960.

The previous prime is 604379. The next prime is 604397. The reversal of 604390 is 93406.

604390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604397) 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, 1401 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (71595).

2⁶⁰⁴³⁹⁰ is an apocalyptic number.

604390 is a deficient number, since it is larger than the sum of its proper divisors (541130).

604390 is a wasteful number, since it uses less digits than its factorization.

604390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 604390 is about 777.4252375631. The cubic root of 604390 is about 84.5484707263.

Adding to 604390 its reverse (93406), we get a palindrome (697796).

The spelling of 604390 in words is "six hundred four thousand, three hundred ninety".