438986341 has 2 divisors, whose sum is σ = 438986342. Its totient is φ = 438986340.

The previous prime is 438986281. The next prime is 438986347. The reversal of 438986341 is 143689834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298563841 + 140422500 = 17279^2 + 11850^2 .

It is a cyclic number.

It is not a de Polignac number, because 438986341 - 2¹⁷ = 438855269 is a prime.

It is a Chen prime.

It is equal to p_23299768 and since 438986341 and 23299768 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 438986291 and 438986300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438986347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219493170 + 219493171.

It is an arithmetic number, because the mean of its divisors is an integer number (219493171).

Almost surely, 2^438986341 is an apocalyptic number.

It is an amenable number.

438986341 is a deficient number, since it is larger than the sum of its proper divisors (1).

438986341 is an equidigital number, since it uses as much as digits as its factorization.

438986341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 438986341 is about 20952.0008829706. Note that the first 3 decimals coincide. The cubic root of 438986341 is about 760.0059677509.

The spelling of 438986341 in words is "four hundred thirty-eight million, nine hundred eighty-six thousand, three hundred forty-one".