838471 has 2 divisors, whose sum is σ = 838472. Its totient is φ = 838470.

The previous prime is 838463. The next prime is 838483. The reversal of 838471 is 174838.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838471 - 2³ = 838463 is a prime.

It is a super-3 number, since 3×838471³ = 1768419901754283333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419235 + 419236.

It is an arithmetic number, because the mean of its divisors is an integer number (419236).

2⁸³⁸⁴⁷¹ is an apocalyptic number.

838471 is a deficient number, since it is larger than the sum of its proper divisors (1).

838471 is an equidigital number, since it uses as much as digits as its factorization.

838471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 838471 is about 915.6806211775. The cubic root of 838471 is about 94.2965959936.

The spelling of 838471 in words is "eight hundred thirty-eight thousand, four hundred seventy-one".