328486992 has 20 divisors (see below), whose sum is σ = 848591520. Its totient is φ = 109495648.

The previous prime is 328486981. The next prime is 328486993. The reversal of 328486992 is 299684823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328486993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421692 + ... + 3421787.

It is an arithmetic number, because the mean of its divisors is an integer number (42429576).

Almost surely, 2^328486992 is an apocalyptic number.

It is an amenable number.

328486992 is an abundant number, since it is smaller than the sum of its proper divisors (520104528).

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

328486992 is a wasteful number, since it uses less digits than its factorization.

328486992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843490 (or 6843484 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 328486992 is about 18124.2101069260. The cubic root of 328486992 is about 689.9845911283.

The spelling of 328486992 in words is "three hundred twenty-eight million, four hundred eighty-six thousand, nine hundred ninety-two".