4243850 has 24 divisors (see below), whose sum is σ = 8502060. Its totient is φ = 1566720.

The previous prime is 4243823. The next prime is 4243861. The reversal of 4243850 is 583424.

It can be written as a sum of positive squares in 6 ways, for example, as 175561 + 4068289 = 419^2 + 2017^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2615 + ... + 3914.

Almost surely, 2^4243850 is an apocalyptic number.

4243850 is an abundant number, since it is smaller than the sum of its proper divisors (4258210).

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

4243850 is a wasteful number, since it uses less digits than its factorization.

4243850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554 (or 6549 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4243850 is about 2060.0606787180. The cubic root of 4243850 is about 161.9024205324.

The spelling of 4243850 in words is "four million, two hundred forty-three thousand, eight hundred fifty".