328733768 has 24 divisors (see below), whose sum is σ = 677505990. Its totient is φ = 149424000.

The previous prime is 328733767. The next prime is 328733771. The reversal of 328733768 is 867337823.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 293711044 + 35022724 = 17138^2 + 5918^2 .

It is not an unprimeable number, because it can be changed into a prime (328733761) 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, 168833 + ... + 170768.

Almost surely, 2^328733768 is an apocalyptic number.

It is an amenable number.

328733768 is an abundant number, since it is smaller than the sum of its proper divisors (348772222).

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

328733768 is a wasteful number, since it uses less digits than its factorization.

328733768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339629 (or 339614 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 328733768 is about 18131.0167392786. The cubic root of 328733768 is about 690.1573316228.

The spelling of 328733768 in words is "three hundred twenty-eight million, seven hundred thirty-three thousand, seven hundred sixty-eight".