4243646 has 16 divisors (see below), whose sum is σ = 7050240. Its totient is φ = 1899480.

The previous prime is 4243639. The next prime is 4243649. The reversal of 4243646 is 6463424.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243649) 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, 35 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (440640).

Almost surely, 2^4243646 is an apocalyptic number.

4243646 is a deficient number, since it is larger than the sum of its proper divisors (2806594).

4243646 is a wasteful number, since it uses less digits than its factorization.

4243646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959.

The product of its digits is 13824, while the sum is 29.

The square root of 4243646 is about 2060.0111650183. The cubic root of 4243646 is about 161.8998262982.

The spelling of 4243646 in words is "four million, two hundred forty-three thousand, six hundred forty-six".