328477538 has 8 divisors (see below), whose sum is σ = 492929388. Its totient is φ = 164167744.

The previous prime is 328477511. The next prime is 328477547. The reversal of 328477538 is 835774823.

328477538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 316733209 + 11744329 = 17797^2 + 3427^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 328477492 and 328477501.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29531 + ... + 39102.

Almost surely, 2^328477538 is an apocalyptic number.

328477538 is a deficient number, since it is larger than the sum of its proper divisors (164451850).

328477538 is a wasteful number, since it uses less digits than its factorization.

328477538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71028.

The product of its digits is 1128960, while the sum is 47.

The square root of 328477538 is about 18123.9492936832. The cubic root of 328477538 is about 689.9779717115.

The spelling of 328477538 in words is "three hundred twenty-eight million, four hundred seventy-seven thousand, five hundred thirty-eight".