349816899 has 16 divisors (see below), whose sum is σ = 470526624. Its totient is φ = 231168000.

The previous prime is 349816897. The next prime is 349816921. The reversal of 349816899 is 998618943.

It is not a de Polignac number, because 349816899 - 2¹ = 349816897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349816897) 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 15 ways as a sum of consecutive naturals, for example, 217699 + ... + 219299.

It is an arithmetic number, because the mean of its divisors is an integer number (29407914).

Almost surely, 2^349816899 is an apocalyptic number.

349816899 is a deficient number, since it is larger than the sum of its proper divisors (120709725).

349816899 is a wasteful number, since it uses less digits than its factorization.

349816899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its digits is 3359232, while the sum is 57.

The square root of 349816899 is about 18703.3927136228. The cubic root of 349816899 is about 704.6069596325.

The spelling of 349816899 in words is "three hundred forty-nine million, eight hundred sixteen thousand, eight hundred ninety-nine".