5668340 has 36 divisors (see below), whose sum is σ = 12364716. Its totient is φ = 2182656.

The previous prime is 5668339. The next prime is 5668343. The reversal of 5668340 is 438665.

It can be written as a sum of positive squares in 6 ways, for example, as 155236 + 5513104 = 394^2 + 2348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5668297 and 5668306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16652 + ... + 16988.

Almost surely, 2^5668340 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 5668340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6182358).

5668340 is an abundant number, since it is smaller than the sum of its proper divisors (6696376).

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

5668340 is a wasteful number, since it uses less digits than its factorization.

5668340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 5668340 is about 2380.8275872058. The cubic root of 5668340 is about 178.3002549259.

The spelling of 5668340 in words is "five million, six hundred sixty-eight thousand, three hundred forty".