6318444 has 48 divisors (see below), whose sum is σ = 16240896. Its totient is φ = 1896000.

The previous prime is 6318439. The next prime is 6318467. The reversal of 6318444 is 4448136.

It is a super-3 number, since 3×6318444³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

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, 19774 + ... + 20090.

It is an arithmetic number, because the mean of its divisors is an integer number (338352).

Almost surely, 2^6318444 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 6318444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8120448).

6318444 is an abundant number, since it is smaller than the sum of its proper divisors (9922452).

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

6318444 is a wasteful number, since it uses less digits than its factorization.

6318444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 6318444 is about 2513.6515271612. The cubic root of 6318444 is about 184.8715348702.

The spelling of 6318444 in words is "six million, three hundred eighteen thousand, four hundred forty-four".