4243705 has 16 divisors (see below), whose sum is σ = 5289984. Its totient is φ = 3265920.

The previous prime is 4243699. The next prime is 4243711. The reversal of 4243705 is 5073424.

It is an interprime number because it is at equal distance from previous prime (4243699) and next prime (4243711).

It is a de Polignac number, because none of the positive numbers 2^k-4243705 is a prime.

4243705 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25954 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (330624).

Almost surely, 2^4243705 is an apocalyptic number.

It is an amenable number.

4243705 is a deficient number, since it is larger than the sum of its proper divisors (1046279).

4243705 is a wasteful number, since it uses less digits than its factorization.

4243705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 4243705 is about 2060.0254852792. The cubic root of 4243705 is about 161.9005765999.

The spelling of 4243705 in words is "four million, two hundred forty-three thousand, seven hundred five".