4238089 has 4 divisors (see below), whose sum is σ = 4384260. Its totient is φ = 4091920.

The previous prime is 4238077. The next prime is 4238093. The reversal of 4238089 is 9808324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3222025 + 1016064 = 1795^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238089 - 2⁵ = 4238057 is a prime.

It is a super-2 number, since 2×4238089² = 35922796743842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4238189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73042 + ... + 73099.

It is an arithmetic number, because the mean of its divisors is an integer number (1096065).

Almost surely, 2^4238089 is an apocalyptic number.

It is an amenable number.

4238089 is a deficient number, since it is larger than the sum of its proper divisors (146171).

4238089 is a wasteful number, since it uses less digits than its factorization.

4238089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146170.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 4238089 is about 2058.6619440792. The cubic root of 4238089 is about 161.8291268473.

The spelling of 4238089 in words is "four million, two hundred thirty-eight thousand, eighty-nine".