438611 has 2 divisors, whose sum is σ = 438612. Its totient is φ = 438610.

The previous prime is 438601. The next prime is 438623. The reversal of 438611 is 116834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438611 - 2¹⁰ = 437587 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (438601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219305 + 219306.

It is an arithmetic number, because the mean of its divisors is an integer number (219306).

2⁴³⁸⁶¹¹ is an apocalyptic number.

438611 is a deficient number, since it is larger than the sum of its proper divisors (1).

438611 is an equidigital number, since it uses as much as digits as its factorization.

438611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 438611 is about 662.2771323245. The cubic root of 438611 is about 75.9789299856.

The spelling of 438611 in words is "four hundred thirty-eight thousand, six hundred eleven".