4243669 has 8 divisors (see below), whose sum is σ = 4500000. Its totient is φ = 3990672.

The previous prime is 4243667. The next prime is 4243699. The reversal of 4243669 is 9663424.

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

It is a cyclic number.

It is not a de Polignac number, because 4243669 - 2¹ = 4243667 is a prime.

It is a super-2 number, since 2×4243669² = 36017453163122, which contains 22 as substring.

It is a Duffinian number.

4243669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082 + ... + 3580.

It is an arithmetic number, because the mean of its divisors is an integer number (562500).

Almost surely, 2^4243669 is an apocalyptic number.

It is an amenable number.

4243669 is a deficient number, since it is larger than the sum of its proper divisors (256331).

4243669 is a wasteful number, since it uses less digits than its factorization.

4243669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its digits is 31104, while the sum is 34.

The square root of 4243669 is about 2060.0167475047. The cubic root of 4243669 is about 161.9001187895.

The spelling of 4243669 in words is "four million, two hundred forty-three thousand, six hundred sixty-nine".