349353939 has 16 divisors (see below), whose sum is σ = 513394560. Its totient is φ = 209544960.

The previous prime is 349353937. The next prime is 349353941. The reversal of 349353939 is 939353943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349353937) and next prime (349353941).

It is not a de Polignac number, because 349353939 - 2¹ = 349353937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349353937) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51369 + ... + 57770.

It is an arithmetic number, because the mean of its divisors is an integer number (32087160).

Almost surely, 2^349353939 is an apocalyptic number.

349353939 is a deficient number, since it is larger than the sum of its proper divisors (164040621).

349353939 is a wasteful number, since it uses less digits than its factorization.

349353939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109250.

The product of its digits is 1180980, while the sum is 48.

The square root of 349353939 is about 18691.0122518819. The cubic root of 349353939 is about 704.2959885230.

The spelling of 349353939 in words is "three hundred forty-nine million, three hundred fifty-three thousand, nine hundred thirty-nine".