4243686 has 20 divisors (see below), whose sum is σ = 8790492. Its totient is φ = 1365784.

The previous prime is 4243667. The next prime is 4243699. The reversal of 4243686 is 6863424.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 146320 + ... + 146348.

Almost surely, 2^4243686 is an apocalyptic number.

4243686 is an abundant number, since it is smaller than the sum of its proper divisors (4546806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243686 is an frugal number, since it uses more digits than its factorization.

4243686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 34 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 4243686 is about 2060.0208736807. The cubic root of 4243686 is about 161.9003349781.

The spelling of 4243686 in words is "four million, two hundred forty-three thousand, six hundred eighty-six".