349063871 has 4 divisors (see below), whose sum is σ = 375914952. Its totient is φ = 322212792.

The previous prime is 349063859. The next prime is 349063879. The reversal of 349063871 is 178360943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349063871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349063879) 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 3 ways as a sum of consecutive naturals, for example, 13425521 + ... + 13425546.

It is an arithmetic number, because the mean of its divisors is an integer number (93978738).

Almost surely, 2^349063871 is an apocalyptic number.

349063871 is a deficient number, since it is larger than the sum of its proper divisors (26851081).

349063871 is a wasteful number, since it uses less digits than its factorization.

349063871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26851080.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 349063871 is about 18683.2510821859. The cubic root of 349063871 is about 704.1010092831.

The spelling of 349063871 in words is "three hundred forty-nine million, sixty-three thousand, eight hundred seventy-one".