329993684 has 6 divisors (see below), whose sum is σ = 577488954. Its totient is φ = 164996840.

The previous prime is 329993683. The next prime is 329993689. The reversal of 329993684 is 486399923.

It can be written as a sum of positive squares in only one way, i.e., 278556100 + 51437584 = 16690^2 + 7172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329993683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41249207 + ... + 41249214.

It is an arithmetic number, because the mean of its divisors is an integer number (96248159).

Almost surely, 2^329993684 is an apocalyptic number.

It is an amenable number.

329993684 is a deficient number, since it is larger than the sum of its proper divisors (247495270).

329993684 is a wasteful number, since it uses less digits than its factorization.

329993684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82498425 (or 82498423 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The square root of 329993684 is about 18165.7282815746. The cubic root of 329993684 is about 691.0379142626.

The spelling of 329993684 in words is "three hundred twenty-nine million, nine hundred ninety-three thousand, six hundred eighty-four".