349750315 has 4 divisors (see below), whose sum is σ = 419700384. Its totient is φ = 279800248.

The previous prime is 349750283. The next prime is 349750319. The reversal of 349750315 is 513057943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349750315 - 2⁵ = 349750283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349750319) 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, 34975027 + ... + 34975036.

It is an arithmetic number, because the mean of its divisors is an integer number (104925096).

Almost surely, 2^349750315 is an apocalyptic number.

349750315 is a deficient number, since it is larger than the sum of its proper divisors (69950069).

349750315 is an equidigital number, since it uses as much as digits as its factorization.

349750315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69950068.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 349750315 is about 18701.6126310006. The cubic root of 349750315 is about 704.5622519326.

Subtracting 349750315 from its reverse (513057943), we obtain a triangular number (163307628 = T₁₈₀₇₂).

The spelling of 349750315 in words is "three hundred forty-nine million, seven hundred fifty thousand, three hundred fifteen".