4640244 has 48 divisors (see below), whose sum is σ = 12716928. Its totient is φ = 1289088.

The previous prime is 4640231. The next prime is 4640249. The reversal of 4640244 is 4420464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640249) 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 15 ways as a sum of consecutive naturals, for example, 2362 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (264936).

Almost surely, 2^4640244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6358464).

4640244 is an abundant number, since it is smaller than the sum of its proper divisors (8076684).

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

4640244 is a wasteful number, since it uses less digits than its factorization.

4640244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4640244 is about 2154.1225591874. The cubic root of 4640244 is about 166.7939418925.

It can be divided in two parts, 4640 and 244, that added together give a palindrome (4884).

The spelling of 4640244 in words is "four million, six hundred forty thousand, two hundred forty-four".