328405527 has 12 divisors (see below), whose sum is σ = 474814080. Its totient is φ = 218729088.

The previous prime is 328405487. The next prime is 328405549. The reversal of 328405527 is 725504823.

It is not a de Polignac number, because 328405527 - 2⁶ = 328405463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328405491 and 328405500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328405127) 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 11 ways as a sum of consecutive naturals, for example, 7002 + ... + 26567.

It is an arithmetic number, because the mean of its divisors is an integer number (39567840).

Almost surely, 2^328405527 is an apocalyptic number.

328405527 is a deficient number, since it is larger than the sum of its proper divisors (146408553).

328405527 is a wasteful number, since it uses less digits than its factorization.

328405527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34662 (or 34659 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 328405527 is about 18121.9625592815. The cubic root of 328405527 is about 689.9275475280.

The spelling of 328405527 in words is "three hundred twenty-eight million, four hundred five thousand, five hundred twenty-seven".