4668640 has 24 divisors (see below), whose sum is σ = 11030040. Its totient is φ = 1867392.

The previous prime is 4668637. The next prime is 4668641. The reversal of 4668640 is 468664.

It is a junction number, because it is equal to n+sod(n) for n = 4668596 and 4668605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668641) 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 3 ways as a sum of consecutive naturals, for example, 14430 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (459585).

Almost surely, 2^4668640 is an apocalyptic number.

4668640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4668640 is an abundant number, since it is smaller than the sum of its proper divisors (6361400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4668640 is a wasteful number, since it uses less digits than its factorization.

4668640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29194 (or 29186 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 4668640 is about 2160.7035891117. The cubic root of 4668640 is about 167.1334823889.

It can be divided in two parts, 46 and 68640, that added together give a palindrome (68686).

The spelling of 4668640 in words is "four million, six hundred sixty-eight thousand, six hundred forty".