600643 has 4 divisors (see below), whose sum is σ = 603288. Its totient is φ = 598000.

The previous prime is 600641. The next prime is 600659. The reversal of 600643 is 346006.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 600643 - 2¹ = 600641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 600643.

It is not an unprimeable number, because it can be changed into a prime (600641) 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, 946 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2⁶⁰⁰⁶⁴³ is an apocalyptic number.

600643 is a deficient number, since it is larger than the sum of its proper divisors (2645).

600643 is a wasteful number, since it uses less digits than its factorization.

600643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 600643 is about 775.0116128162. The cubic root of 600643 is about 84.3733850628.

Adding to 600643 its reverse (346006), we get a palindrome (946649).

The spelling of 600643 in words is "six hundred thousand, six hundred forty-three".