328344538 has 8 divisors (see below), whose sum is σ = 502996032. Its totient is φ = 160679196.

The previous prime is 328344521. The next prime is 328344547. The reversal of 328344538 is 835443823.

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

It is a self number, because there is not a number n which added to its sum of digits gives 328344538.

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, 1746420 + ... + 1746607.

It is an arithmetic number, because the mean of its divisors is an integer number (62874504).

Almost surely, 2^328344538 is an apocalyptic number.

328344538 is a deficient number, since it is larger than the sum of its proper divisors (174651494).

328344538 is a wasteful number, since it uses less digits than its factorization.

328344538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493076.

The product of its digits is 276480, while the sum is 40.

The square root of 328344538 is about 18120.2797439775. The cubic root of 328344538 is about 689.8848355019.

The spelling of 328344538 in words is "three hundred twenty-eight million, three hundred forty-four thousand, five hundred thirty-eight".