4243604 has 24 divisors (see below), whose sum is σ = 7785288. Its totient is φ = 2021760.

The previous prime is 4243597. The next prime is 4243607. The reversal of 4243604 is 4063424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1690000 + 2553604 = 1300^2 + 1598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4243604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243607) 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, 7574 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (324387).

Almost surely, 2^4243604 is an apocalyptic number.

It is an amenable number.

4243604 is a deficient number, since it is larger than the sum of its proper divisors (3541684).

4243604 is a wasteful number, since it uses less digits than its factorization.

4243604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4243604 is about 2060.0009708736. Note that the first 3 decimals coincide. The cubic root of 4243604 is about 161.8992921808.

The spelling of 4243604 in words is "four million, two hundred forty-three thousand, six hundred four".