313889328 has 30 divisors (see below), whose sum is σ = 878454564. Its totient is φ = 104629728.

The previous prime is 313889327. The next prime is 313889333. The reversal of 313889328 is 823988313.

313889328 is a `hidden beast` number, since 313 + 8 + 8 + 9 + 328 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (313889321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1089750 + ... + 1090037.

Almost surely, 2^313889328 is an apocalyptic number.

It is an amenable number.

313889328 is an abundant number, since it is smaller than the sum of its proper divisors (564565236).

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

313889328 is a wasteful number, since it uses less digits than its factorization.

313889328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179801 (or 2179792 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 313889328 is about 17716.9220803163. The cubic root of 313889328 is about 679.6085751908.

The spelling of 313889328 in words is "three hundred thirteen million, eight hundred eighty-nine thousand, three hundred twenty-eight".