328997344 has 48 divisors (see below), whose sum is σ = 721617120. Its totient is φ = 146603520.

The previous prime is 328997323. The next prime is 328997351. The reversal of 328997344 is 443799823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 25699.

It is an arithmetic number, because the mean of its divisors is an integer number (15033690).

Almost surely, 2^328997344 is an apocalyptic number.

It is an amenable number.

328997344 is an abundant number, since it is smaller than the sum of its proper divisors (392619776).

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

328997344 is a wasteful number, since it uses less digits than its factorization.

328997344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27323 (or 27315 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 328997344 is about 18138.2839320593. The cubic root of 328997344 is about 690.3417364822.

The spelling of 328997344 in words is "three hundred twenty-eight million, nine hundred ninety-seven thousand, three hundred forty-four".