603949 has 2 divisors, whose sum is σ = 603950. Its totient is φ = 603948.

The previous prime is 603947. The next prime is 603989. The reversal of 603949 is 949306.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 265225 = 582^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 603949 - 2¹ = 603947 is a prime.

Together with 603947, it forms a pair of twin primes.

603949 is a lucky number.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 603949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (603947) 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 as a sum of consecutive naturals, namely, 301974 + 301975.

It is an arithmetic number, because the mean of its divisors is an integer number (301975).

2⁶⁰³⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

603949 is a deficient number, since it is larger than the sum of its proper divisors (1).

603949 is an equidigital number, since it uses as much as digits as its factorization.

603949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 603949 is about 777.1415572468. The cubic root of 603949 is about 84.5279018067.

The spelling of 603949 in words is "six hundred three thousand, nine hundred forty-nine".