604739 has 4 divisors (see below), whose sum is σ = 631056. Its totient is φ = 578424.

The previous prime is 604733. The next prime is 604753. The reversal of 604739 is 937406.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937406 = 2 ⋅468703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604739 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 604739.

It is not an unprimeable number, because it can be changed into a prime (604733) 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, 13124 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (157764).

2⁶⁰⁴⁷³⁹ is an apocalyptic number.

604739 is a deficient number, since it is larger than the sum of its proper divisors (26317).

604739 is a wasteful number, since it uses less digits than its factorization.

604739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26316.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 604739 is about 777.6496640519. The cubic root of 604739 is about 84.5647415330.

The spelling of 604739 in words is "six hundred four thousand, seven hundred thirty-nine".