328605830 has 64 divisors (see below), whose sum is σ = 718875648. Its totient is φ = 105705600.

The previous prime is 328605829. The next prime is 328605839. The reversal of 328605830 is 38506823.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328605839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83405 + ... + 87255.

It is an arithmetic number, because the mean of its divisors is an integer number (11232432).

Almost surely, 2^328605830 is an apocalyptic number.

328605830 is an abundant number, since it is smaller than the sum of its proper divisors (390269818).

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

328605830 is a wasteful number, since it uses less digits than its factorization.

328605830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 328605830 is about 18127.4882429972. The cubic root of 328605830 is about 690.0677872210.

The spelling of 328605830 in words is "three hundred twenty-eight million, six hundred five thousand, eight hundred thirty".