328197408 has 192 divisors, whose sum is σ = 1111864320. Its totient is φ = 82252800.

The previous prime is 328197407. The next prime is 328197413. The reversal of 328197408 is 804791823.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 328197408.

It is not an unprimeable number, because it can be changed into a prime (328197407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213603 + ... + 215133.

It is an arithmetic number, because the mean of its divisors is an integer number (5790960).

Almost surely, 2^328197408 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 328197408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555932160).

328197408 is an abundant number, since it is smaller than the sum of its proper divisors (783666912).

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

328197408 is a wasteful number, since it uses less digits than its factorization.

328197408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 328197408 is about 18116.2194731682. The cubic root of 328197408 is about 689.7817751401.

The spelling of 328197408 in words is "three hundred twenty-eight million, one hundred ninety-seven thousand, four hundred eight".