328372540 has 12 divisors (see below), whose sum is σ = 689582376. Its totient is φ = 131349008.

The previous prime is 328372537. The next prime is 328372543. The reversal of 328372540 is 45273823.

It is an interprime number because it is at equal distance from previous prime (328372537) and next prime (328372543).

It is a junction number, because it is equal to n+sod(n) for n = 328372496 and 328372505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328372543) 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 3 ways as a sum of consecutive naturals, for example, 8209294 + ... + 8209333.

It is an arithmetic number, because the mean of its divisors is an integer number (57465198).

Almost surely, 2^328372540 is an apocalyptic number.

It is an amenable number.

328372540 is an abundant number, since it is smaller than the sum of its proper divisors (361209836).

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

328372540 is a wasteful number, since it uses less digits than its factorization.

328372540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418636 (or 16418634 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 328372540 is about 18121.0523976948. The cubic root of 328372540 is about 689.9044466154.

The spelling of 328372540 in words is "three hundred twenty-eight million, three hundred seventy-two thousand, five hundred forty".