3320445 has 16 divisors (see below), whose sum is σ = 5346432. Its totient is φ = 1759680.

The previous prime is 3320431. The next prime is 3320477. The reversal of 3320445 is 5440233.

It is a happy number.

It is not a de Polignac number, because 3320445 - 2⁶ = 3320381 is a prime.

It is a super-2 number, since 2×3320445² = 22050709996050, which contains 22 as substring.

It is a Curzon number.

3320445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2104 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

Almost surely, 2^3320445 is an apocalyptic number.

It is an amenable number.

3320445 is a deficient number, since it is larger than the sum of its proper divisors (2025987).

3320445 is a wasteful number, since it uses less digits than its factorization.

3320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3320445 is about 1822.2088244765. The cubic root of 3320445 is about 149.1873834228.

Adding to 3320445 its reverse (5440233), we get a palindrome (8760678).

The spelling of 3320445 in words is "three million, three hundred twenty thousand, four hundred forty-five".