303668 has 12 divisors (see below), whose sum is σ = 538020. Its totient is φ = 149952.

The previous prime is 303649. The next prime is 303679. The reversal of 303668 is 866303.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 268324 = 188^2 + 518^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 303668.

It is an unprimeable number.

303668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 782.

It is an arithmetic number, because the mean of its divisors is an integer number (44835).

2³⁰³⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

303668 is a deficient number, since it is larger than the sum of its proper divisors (234352).

303668 is a wasteful number, since it uses less digits than its factorization.

303668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 303668 is about 551.0607951941. The cubic root of 303668 is about 67.2150216796.

The spelling of 303668 in words is "three hundred three thousand, six hundred sixty-eight".