5709818 has 8 divisors (see below), whose sum is σ = 8579412. Its totient is φ = 2850016.

The previous prime is 5709817. The next prime is 5709857. The reversal of 5709818 is 8189075.

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 1697809 = 2003^2 + 1303^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5709811) 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, 755 + ... + 3462.

Almost surely, 2^5709818 is an apocalyptic number.

5709818 is a deficient number, since it is larger than the sum of its proper divisors (2869594).

5709818 is a wasteful number, since it uses less digits than its factorization.

5709818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5709818 is about 2389.5225464515. The cubic root of 5709818 is about 178.7341016391.

The spelling of 5709818 in words is "five million, seven hundred nine thousand, eight hundred eighteen".