328402432 has 20 divisors (see below), whose sum is σ = 656164476. Its totient is φ = 164200960.

The previous prime is 328402411. The next prime is 328402439. The reversal of 328402432 is 234204823.

It is a self number, because there is not a number n which added to its sum of digits gives 328402432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328402439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320194 + ... + 321217.

Almost surely, 2^328402432 is an apocalyptic number.

328402432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

328402432 is a deficient number, since it is larger than the sum of its proper divisors (327762044).

328402432 is an frugal number, since it uses more digits than its factorization.

328402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641429 (or 641413 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 328402432 is about 18121.8771654594. The cubic root of 328402432 is about 689.9253801543.

The spelling of 328402432 in words is "three hundred twenty-eight million, four hundred two thousand, four hundred thirty-two".