349819707 has 8 divisors (see below), whose sum is σ = 469397776. Its totient is φ = 231727392.

The previous prime is 349819703. The next prime is 349819739. The reversal of 349819707 is 707918943.

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

It is not a de Polignac number, because 349819707 - 2² = 349819703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349819703) 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 7 ways as a sum of consecutive naturals, for example, 370888 + ... + 371829.

It is an arithmetic number, because the mean of its divisors is an integer number (58674722).

Almost surely, 2^349819707 is an apocalyptic number.

349819707 is a deficient number, since it is larger than the sum of its proper divisors (119578069).

349819707 is a wasteful number, since it uses less digits than its factorization.

349819707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742877.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 349819707 is about 18703.4677800669. The cubic root of 349819707 is about 704.6088449340.

The spelling of 349819707 in words is "three hundred forty-nine million, eight hundred nineteen thousand, seven hundred seven".