329840628 has 24 divisors (see below), whose sum is σ = 828830688. Its totient is φ = 101489376.

The previous prime is 329840617. The next prime is 329840633. The reversal of 329840628 is 826048923.

It is a self number, because there is not a number n which added to its sum of digits gives 329840628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057026 + ... + 1057337.

It is an arithmetic number, because the mean of its divisors is an integer number (34534612).

Almost surely, 2^329840628 is an apocalyptic number.

It is an amenable number.

329840628 is an abundant number, since it is smaller than the sum of its proper divisors (498990060).

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

329840628 is a wasteful number, since it uses less digits than its factorization.

329840628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114383 (or 2114381 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 329840628 is about 18161.5150249091. The cubic root of 329840628 is about 690.9310598383.

The spelling of 329840628 in words is "three hundred twenty-nine million, eight hundred forty thousand, six hundred twenty-eight".