328932538 has 8 divisors (see below), whose sum is σ = 538253280. Its totient is φ = 149514780.

The previous prime is 328932509. The next prime is 328932559. The reversal of 328932538 is 835239823.

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

It is a super-2 number, since 2×328932538² = 216393229110242888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 328932494 and 328932503.

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, 7475718 + ... + 7475761.

It is an arithmetic number, because the mean of its divisors is an integer number (67281660).

Almost surely, 2^328932538 is an apocalyptic number.

328932538 is a deficient number, since it is larger than the sum of its proper divisors (209320742).

328932538 is a wasteful number, since it uses less digits than its factorization.

328932538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14951492.

The product of its digits is 311040, while the sum is 43.

The square root of 328932538 is about 18136.4974016484. The cubic root of 328932538 is about 690.2964055951.

The spelling of 328932538 in words is "three hundred twenty-eight million, nine hundred thirty-two thousand, five hundred thirty-eight".