328666413 has 8 divisors (see below), whose sum is σ = 438399808. Its totient is φ = 219021984.

The previous prime is 328666411. The next prime is 328666447. The reversal of 328666413 is 314666823.

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

It is not a de Polignac number, because 328666413 - 2¹ = 328666411 is a prime.

It is a super-2 number, since 2×328666413² = 216043222068573138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328666411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13081 + ... + 28782.

It is an arithmetic number, because the mean of its divisors is an integer number (54799976).

Almost surely, 2^328666413 is an apocalyptic number.

It is an amenable number.

328666413 is a deficient number, since it is larger than the sum of its proper divisors (109733395).

328666413 is a wasteful number, since it uses less digits than its factorization.

328666413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44483.

The product of its digits is 124416, while the sum is 39.

The square root of 328666413 is about 18129.1591917551. The cubic root of 328666413 is about 690.1101924413.

The spelling of 328666413 in words is "three hundred twenty-eight million, six hundred sixty-six thousand, four hundred thirteen".