349722971 has 8 divisors (see below), whose sum is σ = 379501584. Its totient is φ = 320355360.

The previous prime is 349722953. The next prime is 349723013. The reversal of 349722971 is 179227943.

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

It is not a de Polignac number, because 349722971 - 2¹⁰ = 349721947 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (349722931) 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, 100976 + ... + 104381.

It is an arithmetic number, because the mean of its divisors is an integer number (47437698).

Almost surely, 2^349722971 is an apocalyptic number.

349722971 is a deficient number, since it is larger than the sum of its proper divisors (29778613).

349722971 is a wasteful number, since it uses less digits than its factorization.

349722971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205501.

The product of its digits is 190512, while the sum is 44.

The square root of 349722971 is about 18700.8815567609. The cubic root of 349722971 is about 704.5438902124.

The spelling of 349722971 in words is "three hundred forty-nine million, seven hundred twenty-two thousand, nine hundred seventy-one".