6001644 has 48 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 1722240.

The previous prime is 6001627. The next prime is 6001669. The reversal of 6001644 is 4461006.

It is a self number, because there is not a number n which added to its sum of digits gives 6001644.

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, 1312 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^6001644 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 6001644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

6001644 is an abundant number, since it is smaller than the sum of its proper divisors (10086036).

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

6001644 is a wasteful number, since it uses less digits than its factorization.

6001644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6001644 is about 2449.8252998939. The cubic root of 6001644 is about 181.7286541357.

The spelling of 6001644 in words is "six million, one thousand, six hundred forty-four".