349543326 has 16 divisors (see below), whose sum is σ = 762640128. Its totient is φ = 105922200.

The previous prime is 349543319. The next prime is 349543331. The reversal of 349543326 is 623345943.

It is a super-2 number, since 2×349543326² = 244361073502284552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647990 + ... + 2648121.

It is an arithmetic number, because the mean of its divisors is an integer number (47665008).

Almost surely, 2^349543326 is an apocalyptic number.

349543326 is an abundant number, since it is smaller than the sum of its proper divisors (413096802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349543326 is a wasteful number, since it uses less digits than its factorization.

349543326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296127.

The product of its digits is 233280, while the sum is 39.

The square root of 349543326 is about 18696.0778239715. The cubic root of 349543326 is about 704.4232333158.

The spelling of 349543326 in words is "three hundred forty-nine million, five hundred forty-three thousand, three hundred twenty-six".