328583940 has 48 divisors (see below), whose sum is σ = 923045760. Its totient is φ = 87335680.

The previous prime is 328583933. The next prime is 328583947. The reversal of 328583940 is 49385823.

It is an interprime number because it is at equal distance from previous prime (328583933) and next prime (328583947).

It is a junction number, because it is equal to n+sod(n) for n = 328583892 and 328583901.

It is not an unprimeable number, because it can be changed into a prime (328583947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9856 + ... + 27464.

It is an arithmetic number, because the mean of its divisors is an integer number (19230120).

Almost surely, 2^328583940 is an apocalyptic number.

328583940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328583940 is an abundant number, since it is smaller than the sum of its proper divisors (594461820).

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

328583940 is a wasteful number, since it uses less digits than its factorization.

328583940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932 (or 17930 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 328583940 is about 18126.8844537609. The cubic root of 328583940 is about 690.0524639797.

The spelling of 328583940 in words is "three hundred twenty-eight million, five hundred eighty-three thousand, nine hundred forty".