5656340 has 24 divisors (see below), whose sum is σ = 11932872. Its totient is φ = 2252160.

The previous prime is 5656307. The next prime is 5656379. The reversal of 5656340 is 436565.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 5466244 = 436^2 + 2338^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (497203).

Almost surely, 2^5656340 is an apocalyptic number.

It is an amenable number.

5656340 is an abundant number, since it is smaller than the sum of its proper divisors (6276532).

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

5656340 is a wasteful number, since it uses less digits than its factorization.

5656340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5656340 is about 2378.3061199097. The cubic root of 5656340 is about 178.1743441831.

The spelling of 5656340 in words is "five million, six hundred fifty-six thousand, three hundred forty".