5640807 has 8 divisors (see below), whose sum is σ = 7532784. Its totient is φ = 3754688.

The previous prime is 5640781. The next prime is 5640823. The reversal of 5640807 is 7080465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5640807 - 2⁶ = 5640743 is a prime.

It is a super-2 number, since 2×5640807² = 63637407222498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640857) 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, 1873 + ... + 3845.

It is an arithmetic number, because the mean of its divisors is an integer number (941598).

Almost surely, 2^5640807 is an apocalyptic number.

5640807 is a deficient number, since it is larger than the sum of its proper divisors (1891977).

5640807 is a wasteful number, since it uses less digits than its factorization.

5640807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 5640807 is about 2375.0383154804. The cubic root of 5640807 is about 178.0110984958.

The spelling of 5640807 in words is "five million, six hundred forty thousand, eight hundred seven".