328121792 has 56 divisors (see below), whose sum is σ = 690311040. Its totient is φ = 154310400.

The previous prime is 328121791. The next prime is 328121797. The reversal of 328121792 is 297121823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328121791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182723 + ... + 184509.

Almost surely, 2^328121792 is an apocalyptic number.

328121792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328121792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345155520).

328121792 is an abundant number, since it is smaller than the sum of its proper divisors (362189248).

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

328121792 is a wasteful number, since it uses less digits than its factorization.

328121792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1959 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 328121792 is about 18114.1323833078. The cubic root of 328121792 is about 689.7287963092.

The spelling of 328121792 in words is "three hundred twenty-eight million, one hundred twenty-one thousand, seven hundred ninety-two".