328433250 has 64 divisors (see below), whose sum is σ = 825552000. Its totient is φ = 86964800.

The previous prime is 328433243. The next prime is 328433267. The reversal of 328433250 is 52334823.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110281 + ... + 113219.

It is an arithmetic number, because the mean of its divisors is an integer number (12899250).

Almost surely, 2^328433250 is an apocalyptic number.

328433250 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 328433250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412776000).

328433250 is an abundant number, since it is smaller than the sum of its proper divisors (497118750).

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

328433250 is a wasteful number, since it uses less digits than its factorization.

328433250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 328433250 is about 18122.7274437376. The cubic root of 328433250 is about 689.9469608464.

The spelling of 328433250 in words is "three hundred twenty-eight million, four hundred thirty-three thousand, two hundred fifty".