4238837 has 2 divisors, whose sum is σ = 4238838. Its totient is φ = 4238836.

The previous prime is 4238833. The next prime is 4238851. The reversal of 4238837 is 7388324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 1552516 = 1639^2 + 1246^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238837 - 2² = 4238833 is a prime.

It is a super-2 number, since 2×4238837² = 35935478225138, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹¹ + 3⁵ + 8³ + 8⁵ + 3⁸ + 7⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 4238797 and 4238806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119418 + 2119419.

It is an arithmetic number, because the mean of its divisors is an integer number (2119419).

Almost surely, 2^4238837 is an apocalyptic number.

It is an amenable number.

4238837 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238837 is an equidigital number, since it uses as much as digits as its factorization.

4238837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 4238837 is about 2058.8436074651. The cubic root of 4238837 is about 161.8386469451.

The spelling of 4238837 in words is "four million, two hundred thirty-eight thousand, eight hundred thirty-seven".