5709943 has 4 divisors (see below), whose sum is σ = 6045840. Its totient is φ = 5374048.

The previous prime is 5709929. The next prime is 5709953. The reversal of 5709943 is 3499075.

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 5709943 - 2¹⁷ = 5578871 is a prime.

It is a Duffinian number.

5709943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709923) 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, 167923 + ... + 167956.

It is an arithmetic number, because the mean of its divisors is an integer number (1511460).

Almost surely, 2^5709943 is an apocalyptic number.

5709943 is a deficient number, since it is larger than the sum of its proper divisors (335897).

5709943 is a wasteful number, since it uses less digits than its factorization.

5709943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335896.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 5709943 is about 2389.5487021611. The cubic root of 5709943 is about 178.7354059189.

The spelling of 5709943 in words is "five million, seven hundred nine thousand, nine hundred forty-three".