329003428 has 24 divisors (see below), whose sum is σ = 621645752. Its totient is φ = 151455744.

The previous prime is 329003417. The next prime is 329003443. The reversal of 329003428 is 824300923.

It can be written as a sum of positive squares in 4 ways, for example, as 47032164 + 281971264 = 6858^2 + 16792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 329003428.

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, 12676 + ... + 28612.

Almost surely, 2^329003428 is an apocalyptic number.

It is an amenable number.

329003428 is a deficient number, since it is larger than the sum of its proper divisors (292642324).

329003428 is a wasteful number, since it uses less digits than its factorization.

329003428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351 (or 16349 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 329003428 is about 18138.4516428498. The cubic root of 329003428 is about 690.3459918491.

The spelling of 329003428 in words is "three hundred twenty-nine million, three thousand, four hundred twenty-eight".