329134816 has 48 divisors (see below), whose sum is σ = 660214800. Its totient is φ = 161491968.

The previous prime is 329134801. The next prime is 329134831. The reversal of 329134816 is 618431923.

It is an interprime number because it is at equal distance from previous prime (329134801) and next prime (329134831).

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, 463870 + ... + 464578.

It is an arithmetic number, because the mean of its divisors is an integer number (13754475).

Almost surely, 2^329134816 is an apocalyptic number.

It is an amenable number.

329134816 is an abundant number, since it is smaller than the sum of its proper divisors (331079984).

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

329134816 is a wasteful number, since it uses less digits than its factorization.

329134816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 963 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 329134816 is about 18142.0730899200. The cubic root of 329134816 is about 690.4378765125.

The spelling of 329134816 in words is "three hundred twenty-nine million, one hundred thirty-four thousand, eight hundred sixteen".