349766319 has 16 divisors (see below), whose sum is σ = 535272192. Its totient is φ = 199005888.

The previous prime is 349766309. The next prime is 349766341. The reversal of 349766319 is 913667943.

It is not a de Polignac number, because 349766319 - 2¹² = 349762223 is a prime.

It is a super-2 number, since 2×349766319² = 244672955813619522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349766309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30849 + ... + 40634.

It is an arithmetic number, because the mean of its divisors is an integer number (33454512).

Almost surely, 2^349766319 is an apocalyptic number.

349766319 is a deficient number, since it is larger than the sum of its proper divisors (185505873).

349766319 is a wasteful number, since it uses less digits than its factorization.

349766319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71726.

The product of its digits is 734832, while the sum is 48.

The square root of 349766319 is about 18702.0405036456. The cubic root of 349766319 is about 704.5729983059.

The spelling of 349766319 in words is "three hundred forty-nine million, seven hundred sixty-six thousand, three hundred nineteen".