349819711 has 4 divisors (see below), whose sum is σ = 349969624. Its totient is φ = 349669800.

The previous prime is 349819703. The next prime is 349819739. The reversal of 349819711 is 117918943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349819711 - 2³ = 349819703 is a prime.

It is a super-3 number, since 3×349819711³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349810711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71400 + ... + 76141.

It is an arithmetic number, because the mean of its divisors is an integer number (87492406).

Almost surely, 2^349819711 is an apocalyptic number.

349819711 is a deficient number, since it is larger than the sum of its proper divisors (149913).

349819711 is a wasteful number, since it uses less digits than its factorization.

349819711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149912.

The product of its digits is 54432, while the sum is 43.

The square root of 349819711 is about 18703.4678869989. The cubic root of 349819711 is about 704.6088476196.

The spelling of 349819711 in words is "three hundred forty-nine million, eight hundred nineteen thousand, seven hundred eleven".