349389171 has 6 divisors (see below), whose sum is σ = 504673260. Its totient is φ = 232926108.

The previous prime is 349389137. The next prime is 349389179. The reversal of 349389171 is 171983943.

349389171 is a `hidden beast` number, since 3 + 493 + 8 + 91 + 71 = 666.

It is not a de Polignac number, because 349389171 - 2¹³ = 349380979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349389179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19410501 + ... + 19410518.

It is an arithmetic number, because the mean of its divisors is an integer number (84112210).

Almost surely, 2^349389171 is an apocalyptic number.

349389171 is a deficient number, since it is larger than the sum of its proper divisors (155284089).

349389171 is a wasteful number, since it uses less digits than its factorization.

349389171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38821025 (or 38821022 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 349389171 is about 18691.9547131914. The cubic root of 349389171 is about 704.3196635789.

The spelling of 349389171 in words is "three hundred forty-nine million, three hundred eighty-nine thousand, one hundred seventy-one".