3345647 has 8 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 3272128.

The previous prime is 3345611. The next prime is 3345659. The reversal of 3345647 is 7465433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3345647 - 2¹⁶ = 3280111 is a prime.

It is a super-2 number, since 2×3345647² = 22386707697218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345607) 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 7 ways as a sum of consecutive naturals, for example, 14243 + ... + 14475.

It is an arithmetic number, because the mean of its divisors is an integer number (427518).

Almost surely, 2^3345647 is an apocalyptic number.

3345647 is a deficient number, since it is larger than the sum of its proper divisors (74497).

3345647 is a wasteful number, since it uses less digits than its factorization.

3345647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its digits is 30240, while the sum is 32.

The square root of 3345647 is about 1829.1109862444. The cubic root of 3345647 is about 149.5638739300.

The spelling of 3345647 in words is "three million, three hundred forty-five thousand, six hundred forty-seven".