349913866 has 8 divisors (see below), whose sum is σ = 529966944. Its totient is φ = 173258220.

The previous prime is 349913857. The next prime is 349913869. The reversal of 349913866 is 668319943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (349913869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849100 + ... + 849511.

It is an arithmetic number, because the mean of its divisors is an integer number (66245868).

Almost surely, 2^349913866 is an apocalyptic number.

349913866 is a deficient number, since it is larger than the sum of its proper divisors (180053078).

349913866 is a wasteful number, since it uses less digits than its factorization.

349913866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698716.

The product of its digits is 839808, while the sum is 49.

The square root of 349913866 is about 18705.9847642406. The cubic root of 349913866 is about 704.6720577941.

The spelling of 349913866 in words is "three hundred forty-nine million, nine hundred thirteen thousand, eight hundred sixty-six".