328920700 has 72 divisors (see below), whose sum is σ = 754201728. Its totient is φ = 124259520.

The previous prime is 328920673. The next prime is 328920701. The reversal of 328920700 is 7029823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328920701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190039 + ... + 191761.

It is an arithmetic number, because the mean of its divisors is an integer number (10475024).

Almost surely, 2^328920700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328920700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377100864).

328920700 is an abundant number, since it is smaller than the sum of its proper divisors (425281028).

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

328920700 is a wasteful number, since it uses less digits than its factorization.

328920700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 328920700 is about 18136.1710402168. The cubic root of 328920700 is about 690.2881244372.

The spelling of 328920700 in words is "three hundred twenty-eight million, nine hundred twenty thousand, seven hundred".