3047643 has 12 divisors (see below), whose sum is σ = 4448808. Its totient is φ = 2010240.

The previous prime is 3047623. The next prime is 3047647. The reversal of 3047643 is 3467403.

3047643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3047643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3047647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (370734).

Almost surely, 2^3047643 is an apocalyptic number.

3047643 is a deficient number, since it is larger than the sum of its proper divisors (1401165).

3047643 is a wasteful number, since it uses less digits than its factorization.

3047643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3047643 is about 1745.7499820994. The cubic root of 3047643 is about 144.9844295607.

The spelling of 3047643 in words is "three million, forty-seven thousand, six hundred forty-three".