3344645 has 4 divisors (see below), whose sum is σ = 4013580. Its totient is φ = 2675712.

The previous prime is 3344633. The next prime is 3344647. The reversal of 3344645 is 5464433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5464433 = 13 ⋅420341.

It can be written as a sum of positive squares in 2 ways, for example, as 954529 + 2390116 = 977^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 3344645 - 2⁴ = 3344629 is a prime.

It is a super-2 number, since 2×3344645² = 22373300352050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334460 + ... + 334469.

It is an arithmetic number, because the mean of its divisors is an integer number (1003395).

Almost surely, 2^3344645 is an apocalyptic number.

It is an amenable number.

3344645 is a deficient number, since it is larger than the sum of its proper divisors (668935).

3344645 is an equidigital number, since it uses as much as digits as its factorization.

3344645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668934.

The product of its digits is 17280, while the sum is 29.

The square root of 3344645 is about 1828.8370621791. The cubic root of 3344645 is about 149.5489412962.

The spelling of 3344645 in words is "three million, three hundred forty-four thousand, six hundred forty-five".