4556643 has 16 divisors (see below), whose sum is σ = 7478016. Its totient is φ = 2403360.

The previous prime is 4556627. The next prime is 4556653. The reversal of 4556643 is 3466554.

It is not a de Polignac number, because 4556643 - 2⁴ = 4556627 is a prime.

4556643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4556623) 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 15 ways as a sum of consecutive naturals, for example, 8073 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (467376).

Almost surely, 2^4556643 is an apocalyptic number.

4556643 is a deficient number, since it is larger than the sum of its proper divisors (2921373).

4556643 is a wasteful number, since it uses less digits than its factorization.

4556643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16714.

The product of its digits is 43200, while the sum is 33.

The square root of 4556643 is about 2134.6294760450. The cubic root of 4556643 is about 165.7861838018.

The spelling of 4556643 in words is "four million, five hundred fifty-six thousand, six hundred forty-three".