328285969 has 8 divisors (see below), whose sum is σ = 373701312. Its totient is φ = 285465840.

The previous prime is 328285967. The next prime is 328285973. The reversal of 328285969 is 969582823.

It is a happy number.

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

It is not a de Polignac number, because 328285969 - 2¹ = 328285967 is a prime.

It is a super-2 number, since 2×328285969² = 215543354884537922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328285967) 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, 648534 + ... + 649039.

It is an arithmetic number, because the mean of its divisors is an integer number (46712664).

Almost surely, 2^328285969 is an apocalyptic number.

It is an amenable number.

328285969 is a deficient number, since it is larger than the sum of its proper divisors (45415343).

328285969 is a wasteful number, since it uses less digits than its factorization.

328285969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297607.

The product of its digits is 1866240, while the sum is 52.

The square root of 328285969 is about 18118.6635544678. The cubic root of 328285969 is about 689.8438132799.

The spelling of 328285969 in words is "three hundred twenty-eight million, two hundred eighty-five thousand, nine hundred sixty-nine".