5644660 has 48 divisors (see below), whose sum is σ = 14144256. Its totient is φ = 1850112.

The previous prime is 5644657. The next prime is 5644673. The reversal of 5644660 is 664465.

It is a congruent 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, 2344 + ... + 4096.

It is an arithmetic number, because the mean of its divisors is an integer number (294672).

Almost surely, 2^5644660 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 5644660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7072128).

5644660 is an abundant number, since it is smaller than the sum of its proper divisors (8499596).

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

5644660 is a wasteful number, since it uses less digits than its factorization.

5644660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 5644660 is about 2375.8493218216. The cubic root of 5644660 is about 178.0516199234.

The spelling of 5644660 in words is "five million, six hundred forty-four thousand, six hundred sixty".