328490025 has 48 divisors (see below), whose sum is σ = 577570176. Its totient is φ = 164369920.

The previous prime is 328490023. The next prime is 328490039. The reversal of 328490025 is 520094823.

It is a happy number.

It is not a de Polignac number, because 328490025 - 2¹ = 328490023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328490021) 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 47 ways as a sum of consecutive naturals, for example, 89629 + ... + 93221.

It is an arithmetic number, because the mean of its divisors is an integer number (12032712).

Almost surely, 2^328490025 is an apocalyptic number.

It is an amenable number.

328490025 is a deficient number, since it is larger than the sum of its proper divisors (249080151).

328490025 is a wasteful number, since it uses less digits than its factorization.

328490025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3677 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 328490025 is about 18124.2937793449. The cubic root of 328490025 is about 689.9867147201.

The spelling of 328490025 in words is "three hundred twenty-eight million, four hundred ninety thousand, twenty-five".