4644486 has 64 divisors (see below), whose sum is σ = 12879360. Its totient is φ = 1205280.

The previous prime is 4644481. The next prime is 4644509. The reversal of 4644486 is 6844464.

4644486 is a `hidden beast` number, since 4 + 644 + 4 + 8 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4644486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3600 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (201240).

Almost surely, 2^4644486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4644486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6439680).

4644486 is an abundant number, since it is smaller than the sum of its proper divisors (8234874).

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

4644486 is a wasteful number, since it uses less digits than its factorization.

4644486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1140 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4644486 is about 2155.1069579026. The cubic root of 4644486 is about 166.8447527554.

It can be divided in two parts, 464 and 4486, that added together give a triangular number (4950 = T₉₉).

The spelling of 4644486 in words is "four million, six hundred forty-four thousand, four hundred eighty-six".