5687943 has 4 divisors (see below), whose sum is σ = 7583928. Its totient is φ = 3791960.

The previous prime is 5687917. The next prime is 5687951. The reversal of 5687943 is 3497865.

It is a happy number.

5687943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5687943 - 2⁸ = 5687687 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5687895 and 5687904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687993) 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, 947988 + ... + 947993.

It is an arithmetic number, because the mean of its divisors is an integer number (1895982).

Almost surely, 2^5687943 is an apocalyptic number.

5687943 is a deficient number, since it is larger than the sum of its proper divisors (1895985).

5687943 is a wasteful number, since it uses less digits than its factorization.

5687943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895984.

The product of its digits is 181440, while the sum is 42.

The square root of 5687943 is about 2384.9408797704. The cubic root of 5687943 is about 178.5055589133.

The spelling of 5687943 in words is "five million, six hundred eighty-seven thousand, nine hundred forty-three".