4788644 has 12 divisors (see below), whose sum is σ = 9577344. Its totient is φ = 2052264.

The previous prime is 4788631. The next prime is 4788647. The reversal of 4788644 is 4468874.

4788644 is an admirable number.

It is a super-2 number, since 2×4788644² = 45862222717472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4788647) 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, 85484 + ... + 85539.

It is an arithmetic number, because the mean of its divisors is an integer number (798112).

Almost surely, 2^4788644 is an apocalyptic number.

It is an amenable number.

4788644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4788644 is a wasteful number, since it uses less digits than its factorization.

4788644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171034 (or 171032 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 4788644 is about 2188.2970547894. The cubic root of 4788644 is about 168.5533999406.

It can be divided in two parts, 478864 and 4, that multiplied together give a square (1915456 = 1384²).

The spelling of 4788644 in words is "four million, seven hundred eighty-eight thousand, six hundred forty-four".