349856930 has 16 divisors (see below), whose sum is σ = 635979384. Its totient is φ = 138556800.

The previous prime is 349856921. The next prime is 349856939. The reversal of 349856930 is 39658943.

349856930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (349856921) and next prime (349856939).

It can be written as a sum of positive squares in 4 ways, for example, as 306705169 + 43151761 = 17513^2 + 6569^2 .

It is not an unprimeable number, because it can be changed into a prime (349856939) 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 7 ways as a sum of consecutive naturals, for example, 172187 + ... + 174206.

Almost surely, 2^349856930 is an apocalyptic number.

349856930 is a deficient number, since it is larger than the sum of its proper divisors (286122454).

349856930 is a wasteful number, since it uses less digits than its factorization.

349856930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346501.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 349856930 is about 18704.4628364463. The cubic root of 349856930 is about 704.6338356405.

The spelling of 349856930 in words is "three hundred forty-nine million, eight hundred fifty-six thousand, nine hundred thirty".