4644018 has 48 divisors (see below), whose sum is σ = 10907520. Its totient is φ = 1423008.

The previous prime is 4644011. The next prime is 4644053. The reversal of 4644018 is 8104464.

4644018 is a `hidden beast` number, since 4 + 644 + 0 + 18 = 666.

4644018 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4643982 and 4644000.

It is not an unprimeable number, because it can be changed into a prime (4644011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12471 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (227240).

Almost surely, 2^4644018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4644018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5453760).

4644018 is an abundant number, since it is smaller than the sum of its proper divisors (6263502).

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

4644018 is a wasteful number, since it uses less digits than its factorization.

4644018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4644018 is about 2154.9983758695. The cubic root of 4644018 is about 166.8391485495.

The spelling of 4644018 in words is "four million, six hundred forty-four thousand, eighteen".