3320505 has 24 divisors (see below), whose sum is σ = 5815368. Its totient is φ = 1752576.

The previous prime is 3320477. The next prime is 3320509. The reversal of 3320505 is 5050233.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 3250809 = 264^2 + 1803^2 .

It is not a de Polignac number, because 3320505 - 2⁷ = 3320377 is a prime.

It is a super-3 number, since 3×3320505³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4759 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (242307).

Almost surely, 2^3320505 is an apocalyptic number.

It is an amenable number.

3320505 is a deficient number, since it is larger than the sum of its proper divisors (2494863).

3320505 is a wasteful number, since it uses less digits than its factorization.

3320505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 3320505 is about 1822.2252879378. The cubic root of 3320505 is about 149.1882820162.

Adding to 3320505 its reverse (5050233), we get a palindrome (8370738).

The spelling of 3320505 in words is "three million, three hundred twenty thousand, five hundred five".