328241408 has 72 divisors (see below), whose sum is σ = 732455136. Its totient is φ = 145510400.

The previous prime is 328241371. The next prime is 328241447. The reversal of 328241408 is 804142823.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114035 + ... + 116877.

It is an arithmetic number, because the mean of its divisors is an integer number (10172988).

Almost surely, 2^328241408 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 328241408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366227568).

328241408 is an abundant number, since it is smaller than the sum of its proper divisors (404213728).

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

328241408 is a wasteful number, since it uses less digits than its factorization.

328241408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 328241408 is about 18117.4338138711. The cubic root of 328241408 is about 689.8125991109.

The spelling of 328241408 in words is "three hundred twenty-eight million, two hundred forty-one thousand, four hundred eight".