5640833 has 4 divisors (see below), whose sum is σ = 6153648. Its totient is φ = 5128020.

The previous prime is 5640823. The next prime is 5640839. The reversal of 5640833 is 3380465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5640833 - 2⁶ = 5640769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5640796 and 5640805.

It is not an unprimeable number, because it can be changed into a prime (5640839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256391 + ... + 256412.

It is an arithmetic number, because the mean of its divisors is an integer number (1538412).

Almost surely, 2^5640833 is an apocalyptic number.

It is an amenable number.

5640833 is a deficient number, since it is larger than the sum of its proper divisors (512815).

5640833 is a wasteful number, since it uses less digits than its factorization.

5640833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512814.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5640833 is about 2375.0437890700. The cubic root of 5640833 is about 178.0113719958.

The spelling of 5640833 in words is "five million, six hundred forty thousand, eight hundred thirty-three".