5609940 has 144 divisors (see below), whose sum is σ = 19458432. Its totient is φ = 1181952.

The previous prime is 5609939. The next prime is 5609951. The reversal of 5609940 is 499065.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151602 + ... + 151638.

It is an arithmetic number, because the mean of its divisors is an integer number (135128).

Almost surely, 2^5609940 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 5609940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9729216).

5609940 is an abundant number, since it is smaller than the sum of its proper divisors (13848492).

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

5609940 is a wasteful number, since it uses less digits than its factorization.

5609940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 5609940 is about 2368.5311904216. The cubic root of 5609940 is about 177.6858068843.

The spelling of 5609940 in words is "five million, six hundred nine thousand, nine hundred forty".