4238149 has 2 divisors, whose sum is σ = 4238150. Its totient is φ = 4238148.

The previous prime is 4238119. The next prime is 4238153. The reversal of 4238149 is 9418324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 889249 = 1830^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238149 - 2¹¹ = 4236101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4238149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119074 + 2119075.

It is an arithmetic number, because the mean of its divisors is an integer number (2119075).

Almost surely, 2^4238149 is an apocalyptic number.

It is an amenable number.

4238149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238149 is an equidigital number, since it uses as much as digits as its factorization.

4238149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 4238149 is about 2058.6765165999. The cubic root of 4238149 is about 161.8298905328.

The spelling of 4238149 in words is "four million, two hundred thirty-eight thousand, one hundred forty-nine".