4238858 has 12 divisors (see below), whose sum is σ = 6885558. Its totient is φ = 1956240.

The previous prime is 4238851. The next prime is 4238873. The reversal of 4238858 is 8588324.

It can be written as a sum of positive squares in 3 ways, for example, as 2968729 + 1270129 = 1723^2 + 1127^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4238851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5933 + ... + 6608.

Almost surely, 2^4238858 is an apocalyptic number.

4238858 is a deficient number, since it is larger than the sum of its proper divisors (2646700).

4238858 is a wasteful number, since it uses less digits than its factorization.

4238858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569 (or 12556 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 4238858 is about 2058.8487074091. The cubic root of 4238858 is about 161.8389142044.

The spelling of 4238858 in words is "four million, two hundred thirty-eight thousand, eight hundred fifty-eight".