343878471 has 12 divisors (see below), whose sum is σ = 497423160. Its totient is φ = 228924720.

The previous prime is 343878421. The next prime is 343878539. The reversal of 343878471 is 174878343.

It is not a de Polignac number, because 343878471 - 2⁷ = 343878343 is a prime.

It is a super-3 number, since 3×343878471³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343878421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20565 + ... + 33326.

It is an arithmetic number, because the mean of its divisors is an integer number (41451930).

Almost surely, 2^343878471 is an apocalyptic number.

343878471 is a deficient number, since it is larger than the sum of its proper divisors (153544689).

343878471 is a wasteful number, since it uses less digits than its factorization.

343878471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54606 (or 54603 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 343878471 is about 18543.9604993108. The cubic root of 343878471 is about 700.5970898659.

The spelling of 343878471 in words is "three hundred forty-three million, eight hundred seventy-eight thousand, four hundred seventy-one".