328869870 has 192 divisors, whose sum is σ = 978656256. Its totient is φ = 70371840.

The previous prime is 328869839. The next prime is 328869883. The reversal of 328869870 is 78968823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2400442 + ... + 2400578.

It is an arithmetic number, because the mean of its divisors is an integer number (5097168).

Almost surely, 2^328869870 is an apocalyptic number.

328869870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328869870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489328128).

328869870 is an abundant number, since it is smaller than the sum of its proper divisors (649786386).

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

328869870 is a wasteful number, since it uses less digits than its factorization.

328869870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 328869870 is about 18134.7696428711. The cubic root of 328869870 is about 690.2525645459.

The spelling of 328869870 in words is "three hundred twenty-eight million, eight hundred sixty-nine thousand, eight hundred seventy".