303897216 has 192 divisors, whose sum is σ = 971170560. Its totient is φ = 83865600.

The previous prime is 303897203. The next prime is 303897233. The reversal of 303897216 is 612798303.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583036 + ... + 583556.

It is an arithmetic number, because the mean of its divisors is an integer number (5058180).

Almost surely, 2^303897216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303897216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485585280).

303897216 is an abundant number, since it is smaller than the sum of its proper divisors (667273344).

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

303897216 is a wasteful number, since it uses less digits than its factorization.

303897216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 303897216 is about 17432.6479916277. The cubic root of 303897216 is about 672.3192927123.

The spelling of 303897216 in words is "three hundred three million, eight hundred ninety-seven thousand, two hundred sixteen".