328404450 has 48 divisors (see below), whose sum is σ = 888487776. Its totient is φ = 79612800.

The previous prime is 328404449. The next prime is 328404457. The reversal of 328404450 is 54404823.

It is a super-3 number, since 3×328404450³ (a number of 27 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (328404457) 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, 97867 + ... + 101166.

It is an arithmetic number, because the mean of its divisors is an integer number (18510162).

Almost surely, 2^328404450 is an apocalyptic number.

328404450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328404450 is an abundant number, since it is smaller than the sum of its proper divisors (560083326).

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

328404450 is a wasteful number, since it uses less digits than its factorization.

328404450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199059 (or 199054 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 328404450 is about 18121.9328439325. The cubic root of 328404450 is about 689.9267933255.

The spelling of 328404450 in words is "three hundred twenty-eight million, four hundred four thousand, four hundred fifty".