604442 has 4 divisors (see below), whose sum is σ = 906666. Its totient is φ = 302220.

The previous prime is 604441. The next prime is 604477. The reversal of 604442 is 244406.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244406 = 2 ⋅122203.

It can be written as a sum of positive squares in only one way, i.e., 502681 + 101761 = 709^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (604441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151109 + ... + 151112.

2⁶⁰⁴⁴⁴² is an apocalyptic number.

604442 is a deficient number, since it is larger than the sum of its proper divisors (302224).

604442 is a wasteful number, since it uses less digits than its factorization.

604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302223.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 604442 is about 777.4586805741. The cubic root of 604442 is about 84.5508954269.

Adding to 604442 its reverse (244406), we get a palindrome (848848).

The spelling of 604442 in words is "six hundred four thousand, four hundred forty-two".