303816 has 16 divisors (see below), whose sum is σ = 759600. Its totient is φ = 101264.

The previous prime is 303803. The next prime is 303817. The reversal of 303816 is 618303.

303816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 303792 and 303801.

It is not an unprimeable number, because it can be changed into a prime (303817) by changing a digit.

303816 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, 6306 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (47475).

2³⁰³⁸¹⁶ is an apocalyptic number.

It is an amenable number.

303816 is an abundant number, since it is smaller than the sum of its proper divisors (455784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303816 is a wasteful number, since it uses less digits than its factorization.

303816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668 (or 12664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 303816 is about 551.1950652900. The cubic root of 303816 is about 67.2259395324.

The spelling of 303816 in words is "three hundred three thousand, eight hundred sixteen".