329069940 has 48 divisors (see below), whose sum is σ = 930025152. Its totient is φ = 86930176.

The previous prime is 329069933. The next prime is 329069941. The reversal of 329069940 is 49960923.

It is a junction number, because it is equal to n+sod(n) for n = 329069892 and 329069901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329069941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19209 + ... + 32048.

It is an arithmetic number, because the mean of its divisors is an integer number (19375524).

Almost surely, 2^329069940 is an apocalyptic number.

329069940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

329069940 is an abundant number, since it is smaller than the sum of its proper divisors (600955212).

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

329069940 is a wasteful number, since it uses less digits than its factorization.

329069940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51376 (or 51374 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 329069940 is about 18140.2850032738. The cubic root of 329069940 is about 690.3925092964.

The spelling of 329069940 in words is "three hundred twenty-nine million, sixty-nine thousand, nine hundred forty".