328420552 has 32 divisors (see below), whose sum is σ = 653533920. Its totient is φ = 154190080.

The previous prime is 328420513. The next prime is 328420577. The reversal of 328420552 is 255024823.

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 7 ways as a sum of consecutive naturals, for example, 60927 + ... + 66097.

It is an arithmetic number, because the mean of its divisors is an integer number (20422935).

Almost surely, 2^328420552 is an apocalyptic number.

It is an amenable number.

328420552 is a deficient number, since it is larger than the sum of its proper divisors (325113368).

328420552 is a wasteful number, since it uses less digits than its factorization.

328420552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 328420552 is about 18122.3771067705. The cubic root of 328420552 is about 689.9380690757.

The spelling of 328420552 in words is "three hundred twenty-eight million, four hundred twenty thousand, five hundred fifty-two".