439471 has 2 divisors, whose sum is σ = 439472. Its totient is φ = 439470.

The previous prime is 439463. The next prime is 439493. The reversal of 439471 is 174934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439471 - 2³ = 439463 is a prime.

It is a super-3 number, since 3×439471³ = 254631378126252333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219735 + 219736.

It is an arithmetic number, because the mean of its divisors is an integer number (219736).

2⁴³⁹⁴⁷¹ is an apocalyptic number.

439471 is a deficient number, since it is larger than the sum of its proper divisors (1).

439471 is an equidigital number, since it uses as much as digits as its factorization.

439471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 439471 is about 662.9260893946. The cubic root of 439471 is about 76.0285557513.

It can be divided in two parts, 4394 and 71, that added together give a triangular number (4465 = T₉₄).

The spelling of 439471 in words is "four hundred thirty-nine thousand, four hundred seventy-one".