438619241 has 2 divisors, whose sum is σ = 438619242. Its totient is φ = 438619240.

The previous prime is 438619211. The next prime is 438619243. The reversal of 438619241 is 142916834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342990400 + 95628841 = 18520^2 + 9779^2 .

It is a cyclic number.

It is not a de Polignac number, because 438619241 - 2¹⁰ = 438618217 is a prime.

Together with 438619243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 438619195 and 438619204.

It is not a weakly prime, because it can be changed into another prime (438619243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219309620 + 219309621.

It is an arithmetic number, because the mean of its divisors is an integer number (219309621).

Almost surely, 2^438619241 is an apocalyptic number.

It is an amenable number.

438619241 is a deficient number, since it is larger than the sum of its proper divisors (1).

438619241 is an equidigital number, since it uses as much as digits as its factorization.

438619241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 438619241 is about 20943.2385509023. The cubic root of 438619241 is about 759.7940583503.

The spelling of 438619241 in words is "four hundred thirty-eight million, six hundred nineteen thousand, two hundred forty-one".