603389 has 2 divisors, whose sum is σ = 603390. Its totient is φ = 603388.

The previous prime is 603349. The next prime is 603391. The reversal of 603389 is 983306.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 136900 = 683^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 603389 - 2⁸ = 603133 is a prime.

Together with 603391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (603319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301694 + 301695.

It is an arithmetic number, because the mean of its divisors is an integer number (301695).

2⁶⁰³³⁸⁹ is an apocalyptic number.

It is an amenable number.

603389 is a deficient number, since it is larger than the sum of its proper divisors (1).

603389 is an equidigital number, since it uses as much as digits as its factorization.

603389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 603389 is about 776.7811789687. The cubic root of 603389 is about 84.5017681084.

The spelling of 603389 in words is "six hundred three thousand, three hundred eighty-nine".