349853191 has 6 divisors (see below), whose sum is σ = 350802440. Its totient is φ = 348906096.

The previous prime is 349853113. The next prime is 349853237. The reversal of 349853191 is 191358943.

It is not a de Polignac number, because 349853191 - 2¹⁷ = 349722119 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 (349853111) 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, 380230 + ... + 381148.

Almost surely, 2^349853191 is an apocalyptic number.

349853191 is a deficient number, since it is larger than the sum of its proper divisors (949249).

349853191 is an frugal number, since it uses more digits than its factorization.

349853191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 1536 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 349853191 is about 18704.3628867706. The cubic root of 349853191 is about 704.6313254379.

The spelling of 349853191 in words is "three hundred forty-nine million, eight hundred fifty-three thousand, one hundred ninety-one".