328949538 has 8 divisors (see below), whose sum is σ = 657899088. Its totient is φ = 109649844.

The previous prime is 328949531. The next prime is 328949549. The reversal of 328949538 is 835949823.

It is a sphenic number, since it is the product of 3 distinct primes.

328949538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (328949531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27412456 + ... + 27412467.

It is an arithmetic number, because the mean of its divisors is an integer number (82237386).

Almost surely, 2^328949538 is an apocalyptic number.

328949538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328949538 is a wasteful number, since it uses less digits than its factorization.

328949538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54824928.

The product of its digits is 1866240, while the sum is 51.

The square root of 328949538 is about 18136.9660638156. The cubic root of 328949538 is about 690.3082974325.

The spelling of 328949538 in words is "three hundred twenty-eight million, nine hundred forty-nine thousand, five hundred thirty-eight".