5647940 has 48 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 2103552.

The previous prime is 5647933. The next prime is 5647951. The reversal of 5647940 is 497465.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5647940.

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, 33737 + ... + 33903.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^5647940 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 5647940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350400).

5647940 is an abundant number, since it is smaller than the sum of its proper divisors (7052860).

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

5647940 is a wasteful number, since it uses less digits than its factorization.

5647940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5647940 is about 2376.5395010393. The cubic root of 5647940 is about 178.0861006675.

The spelling of 5647940 in words is "five million, six hundred forty-seven thousand, nine hundred forty".