329323638 has 32 divisors (see below), whose sum is σ = 755483904. Its totient is φ = 93749472.

The previous prime is 329323607. The next prime is 329323639. The reversal of 329323638 is 836323923.

329323638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 329323596 and 329323605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329323639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2520 + ... + 25787.

It is an arithmetic number, because the mean of its divisors is an integer number (23608872).

Almost surely, 2^329323638 is an apocalyptic number.

329323638 is an abundant number, since it is smaller than the sum of its proper divisors (426160266).

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

329323638 is a wasteful number, since it uses less digits than its factorization.

329323638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28596.

The product of its digits is 139968, while the sum is 39.

The square root of 329323638 is about 18147.2763245618. The cubic root of 329323638 is about 690.5698841597.

The spelling of 329323638 in words is "three hundred twenty-nine million, three hundred twenty-three thousand, six hundred thirty-eight".