349471 has 2 divisors, whose sum is σ = 349472. Its totient is φ = 349470.

The previous prime is 349423. The next prime is 349477. The reversal of 349471 is 174943.

It is a strong prime.

It is an emirp because it is prime and its reverse (174943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349471 - 2⁷ = 349343 is a prime.

It is a super-3 number, since 3×349471³ = 128042658555042333, which contains 333 as substring.

It is a Chen prime.

349471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349477) 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, 174735 + 174736.

It is an arithmetic number, because the mean of its divisors is an integer number (174736).

2³⁴⁹⁴⁷¹ is an apocalyptic number.

349471 is a deficient number, since it is larger than the sum of its proper divisors (1).

349471 is an equidigital number, since it uses as much as digits as its factorization.

349471 is an odious number, because the sum of its binary digits is odd.

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

The square root of 349471 is about 591.1607226466. The cubic root of 349471 is about 70.4374644557.

It can be divided in two parts, 349 and 471, that added together give a triangular number (820 = T₄₀).

The spelling of 349471 in words is "three hundred forty-nine thousand, four hundred seventy-one".