3340643 has 4 divisors (see below), whose sum is σ = 3403728. Its totient is φ = 3277560.

The previous prime is 3340633. The next prime is 3340657. The reversal of 3340643 is 3460433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3340643 - 2⁸ = 3340387 is a prime.

It is a super-2 number, since 2×3340643² = 22319791306898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3340633) 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, 31463 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (850932).

Almost surely, 2^3340643 is an apocalyptic number.

3340643 is a deficient number, since it is larger than the sum of its proper divisors (63085).

3340643 is an equidigital number, since it uses as much as digits as its factorization.

3340643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63084.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3340643 is about 1827.7425967570. The cubic root of 3340643 is about 149.4892704163.

The spelling of 3340643 in words is "three million, three hundred forty thousand, six hundred forty-three".