4650644 has 12 divisors (see below), whose sum is σ = 8292564. Its totient is φ = 2281344.

The previous prime is 4650637. The next prime is 4650647. The reversal of 4650644 is 4460564.

4650644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1993744 + 2656900 = 1412^2 + 1630^2 .

It is a super-2 number, since 2×4650644² = 43256979229472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4650647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10757 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (691047).

Almost surely, 2^4650644 is an apocalyptic number.

It is an amenable number.

4650644 is a deficient number, since it is larger than the sum of its proper divisors (3641920).

4650644 is a wasteful number, since it uses less digits than its factorization.

4650644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21994 (or 21992 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4650644 is about 2156.5351840394. The cubic root of 4650644 is about 166.9184585247.

The spelling of 4650644 in words is "four million, six hundred fifty thousand, six hundred forty-four".