349923271 has 2 divisors, whose sum is σ = 349923272. Its totient is φ = 349923270.

The previous prime is 349923263. The next prime is 349923281. The reversal of 349923271 is 172329943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349923271 - 2³ = 349923263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349923281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174961635 + 174961636.

It is an arithmetic number, because the mean of its divisors is an integer number (174961636).

Almost surely, 2^349923271 is an apocalyptic number.

349923271 is a deficient number, since it is larger than the sum of its proper divisors (1).

349923271 is an equidigital number, since it uses as much as digits as its factorization.

349923271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 349923271 is about 18706.2361526845. The cubic root of 349923271 is about 704.6783711395.

The spelling of 349923271 in words is "three hundred forty-nine million, nine hundred twenty-three thousand, two hundred seventy-one".