329978996 has 12 divisors (see below), whose sum is σ = 578400480. Its totient is φ = 164721720.

The previous prime is 329978983. The next prime is 329979011. The reversal of 329978996 is 699879923.

It is a super-2 number, since 2×329978996² = 217772275602336032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64160 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (48200040).

Almost surely, 2^329978996 is an apocalyptic number.

It is an amenable number.

329978996 is a deficient number, since it is larger than the sum of its proper divisors (248421484).

329978996 is a wasteful number, since it uses less digits than its factorization.

329978996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133894 (or 133892 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The square root of 329978996 is about 18165.3239993125. The cubic root of 329978996 is about 691.0276614244.

The spelling of 329978996 in words is "three hundred twenty-nine million, nine hundred seventy-eight thousand, nine hundred ninety-six".