329989996 has 24 divisors (see below), whose sum is σ = 663941376. Its totient is φ = 140575440.

The previous prime is 329989987. The next prime is 329989997. The reversal of 329989996 is 699989923.

It is not an unprimeable number, because it can be changed into a prime (329989997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30610 + ... + 39961.

It is an arithmetic number, because the mean of its divisors is an integer number (27664224).

Almost surely, 2^329989996 is an apocalyptic number.

It is an amenable number.

329989996 is an abundant number, since it is smaller than the sum of its proper divisors (333951380).

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

329989996 is a wasteful number, since it uses less digits than its factorization.

329989996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70749 (or 70747 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 64.

The square root of 329989996 is about 18165.6267714604. The cubic root of 329989996 is about 691.0353399130.

The spelling of 329989996 in words is "three hundred twenty-nine million, nine hundred eighty-nine thousand, nine hundred ninety-six".