3320809 has 4 divisors (see below), whose sum is σ = 3465216. Its totient is φ = 3176404.

The previous prime is 3320803. The next prime is 3320827. The reversal of 3320809 is 9080233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3320809 - 2⁵ = 3320777 is a prime.

It is a super-2 number, since 2×3320809² = 22055544828962, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3320809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3320803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72169 + ... + 72214.

It is an arithmetic number, because the mean of its divisors is an integer number (866304).

Almost surely, 2^3320809 is an apocalyptic number.

It is an amenable number.

3320809 is a deficient number, since it is larger than the sum of its proper divisors (144407).

3320809 is a wasteful number, since it uses less digits than its factorization.

3320809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144406.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3320809 is about 1822.3087005225. The cubic root of 3320809 is about 149.1928347226.

The spelling of 3320809 in words is "three million, three hundred twenty thousand, eight hundred nine".