349385271 has 8 divisors (see below), whose sum is σ = 466172160. Its totient is φ = 232760952.

The previous prime is 349385251. The next prime is 349385273. The reversal of 349385271 is 172583943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349385271 - 2¹⁹ = 348860983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349385273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35535 + ... + 44288.

It is an arithmetic number, because the mean of its divisors is an integer number (58271520).

Almost surely, 2^349385271 is an apocalyptic number.

349385271 is a deficient number, since it is larger than the sum of its proper divisors (116786889).

349385271 is a wasteful number, since it uses less digits than its factorization.

349385271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81285.

The product of its digits is 181440, while the sum is 42.

The square root of 349385271 is about 18691.8503899427. The cubic root of 349385271 is about 704.3170429512.

The spelling of 349385271 in words is "three hundred forty-nine million, three hundred eighty-five thousand, two hundred seventy-one".