5640826 has 16 divisors (see below), whose sum is σ = 8753184. Its totient is φ = 2724624.

The previous prime is 5640823. The next prime is 5640839. The reversal of 5640826 is 6280465.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (5640823) by changing a digit.

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, 8896 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (547074).

Almost surely, 2^5640826 is an apocalyptic number.

5640826 is a deficient number, since it is larger than the sum of its proper divisors (3112358).

5640826 is a wasteful number, since it uses less digits than its factorization.

5640826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 5640826 is about 2375.0423154125. The cubic root of 5640826 is about 178.0112983612.

The spelling of 5640826 in words is "five million, six hundred forty thousand, eight hundred twenty-six".