604678489 has 4 divisors (see below), whose sum is σ = 611963856. Its totient is φ = 597393124.

The previous prime is 604678471. The next prime is 604678493. The reversal of 604678489 is 984876406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984876406 = 2 ⋅492438203.

It is a cyclic number.

It is not a de Polignac number, because 604678489 - 2⁹ = 604677977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604678409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642559 + ... + 3642724.

It is an arithmetic number, because the mean of its divisors is an integer number (152990964).

Almost surely, 2^604678489 is an apocalyptic number.

It is an amenable number.

604678489 is a deficient number, since it is larger than the sum of its proper divisors (7285367).

604678489 is an equidigital number, since it uses as much as digits as its factorization.

604678489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285366.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 604678489 is about 24590.2112435009. The cubic root of 604678489 is about 845.6192088484.

The spelling of 604678489 in words is "six hundred four million, six hundred seventy-eight thousand, four hundred eighty-nine".