328453646 has 16 divisors (see below), whose sum is σ = 527116560. Its totient is φ = 153031680.

The previous prime is 328453607. The next prime is 328453661. The reversal of 328453646 is 646354823.

328453646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68531 + ... + 73166.

It is an arithmetic number, because the mean of its divisors is an integer number (32944785).

Almost surely, 2^328453646 is an apocalyptic number.

328453646 is a deficient number, since it is larger than the sum of its proper divisors (198662914).

328453646 is a wasteful number, since it uses less digits than its factorization.

328453646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141779.

The product of its digits is 414720, while the sum is 41.

The square root of 328453646 is about 18123.2901538324. The cubic root of 328453646 is about 689.9612426596.

The spelling of 328453646 in words is "three hundred twenty-eight million, four hundred fifty-three thousand, six hundred forty-six".