329348816 has 10 divisors (see below), whose sum is σ = 638113362. Its totient is φ = 164674400.

The previous prime is 329348813. The next prime is 329348819. The reversal of 329348816 is 618843923.

It is an interprime number because it is at equal distance from previous prime (329348813) and next prime (329348819).

It can be written as a sum of positive squares in only one way, i.e., 194881600 + 134467216 = 13960^2 + 11596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329348813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10292135 + ... + 10292166.

Almost surely, 2^329348816 is an apocalyptic number.

It is an amenable number.

329348816 is a deficient number, since it is larger than the sum of its proper divisors (308764546).

329348816 is a wasteful number, since it uses less digits than its factorization.

329348816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20584309 (or 20584303 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 329348816 is about 18147.9700242203. The cubic root of 329348816 is about 690.5874825780.

The spelling of 329348816 in words is "three hundred twenty-nine million, three hundred forty-eight thousand, eight hundred sixteen".