328086646 has 8 divisors (see below), whose sum is σ = 503574984. Its totient is φ = 160228320.

The previous prime is 328086631. The next prime is 328086653. The reversal of 328086646 is 646680823.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907395 + ... + 1907566.

It is an arithmetic number, because the mean of its divisors is an integer number (62946873).

Almost surely, 2^328086646 is an apocalyptic number.

328086646 is a deficient number, since it is larger than the sum of its proper divisors (175488338).

328086646 is a wasteful number, since it uses less digits than its factorization.

328086646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815006.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 328086646 is about 18113.1622308199. The cubic root of 328086646 is about 689.7041691998.

The spelling of 328086646 in words is "three hundred twenty-eight million, eighty-six thousand, six hundred forty-six".