328396400 has 30 divisors (see below), whose sum is σ = 788973312. Its totient is φ = 131358400.

The previous prime is 328396363. The next prime is 328396403. The reversal of 328396400 is 4693823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328396403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410096 + ... + 410895.

Almost surely, 2^328396400 is an apocalyptic number.

It is an amenable number.

328396400 is an abundant number, since it is smaller than the sum of its proper divisors (460576912).

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

328396400 is a wasteful number, since it uses less digits than its factorization.

328396400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821009 (or 820998 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 328396400 is about 18121.7107360205. The cubic root of 328396400 is about 689.9211560125.

The spelling of 328396400 in words is "three hundred twenty-eight million, three hundred ninety-six thousand, four hundred".