438271 has 2 divisors, whose sum is σ = 438272. Its totient is φ = 438270.

The previous prime is 438259. The next prime is 438281. The reversal of 438271 is 172834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 438271 - 2⁷ = 438143 is a prime.

438271 is a lucky number.

It is a plaindrome in base 4 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219135 + 219136.

It is an arithmetic number, because the mean of its divisors is an integer number (219136).

2⁴³⁸²⁷¹ is an apocalyptic number.

438271 is a deficient number, since it is larger than the sum of its proper divisors (1).

438271 is an equidigital number, since it uses as much as digits as its factorization.

438271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 438271 is about 662.0203924352. The cubic root of 438271 is about 75.9592926045.

The spelling of 438271 in words is "four hundred thirty-eight thousand, two hundred seventy-one".