340603 has 6 divisors (see below), whose sum is σ = 352484. Its totient is φ = 328944.

The previous prime is 340601. The next prime is 340619. The reversal of 340603 is 306043.

It is a happy number.

It is not a de Polignac number, because 340603 - 2¹ = 340601 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 340603.

It is not an unprimeable number, because it can be changed into a prime (340601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3783 + ... + 3871.

2³⁴⁰⁶⁰³ is an apocalyptic number.

340603 is a deficient number, since it is larger than the sum of its proper divisors (11881).

340603 is an frugal number, since it uses more digits than its factorization.

340603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 340603 is about 583.6120286629. The cubic root of 340603 is about 69.8365574516.

Adding to 340603 its reverse (306043), we get a palindrome (646646).

The spelling of 340603 in words is "three hundred forty thousand, six hundred three".