238471 has 2 divisors, whose sum is σ = 238472. Its totient is φ = 238470.

The previous prime is 238463. The next prime is 238477. The reversal of 238471 is 174832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238471 - 2³ = 238463 is a prime.

It is a super-3 number, since 3×238471³ = 40684405412883333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119235 + 119236.

It is an arithmetic number, because the mean of its divisors is an integer number (119236).

2²³⁸⁴⁷¹ is an apocalyptic number.

238471 is a deficient number, since it is larger than the sum of its proper divisors (1).

238471 is an equidigital number, since it uses as much as digits as its factorization.

238471 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 238471 is about 488.3349260497. The cubic root of 238471 is about 62.0123977982.

The spelling of 238471 in words is "two hundred thirty-eight thousand, four hundred seventy-one".