3340045 has 4 divisors (see below), whose sum is σ = 4008060. Its totient is φ = 2672032.

The previous prime is 3340039. The next prime is 3340061. The reversal of 3340045 is 5400433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5400433 = 1277 ⋅4229.

It can be written as a sum of positive squares in 2 ways, for example, as 1283689 + 2056356 = 1133^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340045 - 2¹⁵ = 3307277 is a prime.

It is a super-2 number, since 2×3340045² = 22311801204050, which contains 22 as substring.

3340045 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 3 ways as a sum of consecutive naturals, for example, 334000 + ... + 334009.

It is an arithmetic number, because the mean of its divisors is an integer number (1002015).

Almost surely, 2^3340045 is an apocalyptic number.

It is an amenable number.

3340045 is a deficient number, since it is larger than the sum of its proper divisors (668015).

3340045 is an equidigital number, since it uses as much as digits as its factorization.

3340045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668014.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3340045 is about 1827.5789996605. The cubic root of 3340045 is about 149.4803499861.

Adding to 3340045 its reverse (5400433), we get a palindrome (8740478).

The spelling of 3340045 in words is "three million, three hundred forty thousand, forty-five".