303989068 has 24 divisors (see below), whose sum is σ = 556077312. Its totient is φ = 145132944.

The previous prime is 303989057. The next prime is 303989071. The reversal of 303989068 is 860989303.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56971 + ... + 62077.

It is an arithmetic number, because the mean of its divisors is an integer number (23169888).

Almost surely, 2^303989068 is an apocalyptic number.

It is an amenable number.

303989068 is a deficient number, since it is larger than the sum of its proper divisors (252088244).

303989068 is a wasteful number, since it uses less digits than its factorization.

303989068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 303989068 is about 17435.2822747439. The cubic root of 303989068 is about 672.3870213695.

The spelling of 303989068 in words is "three hundred three million, nine hundred eighty-nine thousand, sixty-eight".