4518646 has 16 divisors (see below), whose sum is σ = 7429968. Its totient is φ = 2044000.

The previous prime is 4518643. The next prime is 4518667. The reversal of 4518646 is 6468154.

It is a super-3 number, since 3×4518646³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4518641) 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, 6096 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (464373).

Almost surely, 2^4518646 is an apocalyptic number.

4518646 is a deficient number, since it is larger than the sum of its proper divisors (2911322).

4518646 is a wasteful number, since it uses less digits than its factorization.

4518646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 23040, while the sum is 34.

The square root of 4518646 is about 2125.7107046821. The cubic root of 4518646 is about 165.3240768679.

The spelling of 4518646 in words is "four million, five hundred eighteen thousand, six hundred forty-six".