349173143 has 16 divisors (see below), whose sum is σ = 400377600. Its totient is φ = 301414080.

The previous prime is 349173103. The next prime is 349173157. The reversal of 349173143 is 341371943.

It is not a de Polignac number, because 349173143 - 2²⁴ = 332395927 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 (349173103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30203 + ... + 40131.

It is an arithmetic number, because the mean of its divisors is an integer number (25023600).

Almost surely, 2^349173143 is an apocalyptic number.

349173143 is a deficient number, since it is larger than the sum of its proper divisors (51204457).

349173143 is a wasteful number, since it uses less digits than its factorization.

349173143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102.

The product of its digits is 27216, while the sum is 35.

The square root of 349173143 is about 18686.1751838090. The cubic root of 349173143 is about 704.1744729143.

The spelling of 349173143 in words is "three hundred forty-nine million, one hundred seventy-three thousand, one hundred forty-three".