4768644 has 48 divisors (see below), whose sum is σ = 11733120. Its totient is φ = 1505280.

The previous prime is 4768633. The next prime is 4768661. The reversal of 4768644 is 4468674.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24612 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

Almost surely, 2^4768644 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 4768644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5866560).

4768644 is an abundant number, since it is smaller than the sum of its proper divisors (6964476).

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

4768644 is a wasteful number, since it uses less digits than its factorization.

4768644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 4768644 is about 2183.7225098441. The cubic root of 4768644 is about 168.3184153909.

The spelling of 4768644 in words is "four million, seven hundred sixty-eight thousand, six hundred forty-four".