349205 has 8 divisors (see below), whose sum is σ = 422304. Its totient is φ = 277200.

The previous prime is 349199. The next prime is 349207. The reversal of 349205 is 502943.

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

It is not a de Polignac number, because 349205 - 2⁸ = 348949 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349205.

It is not an unprimeable number, because it can be changed into a prime (349207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (52788).

2³⁴⁹²⁰⁵ is an apocalyptic number.

It is an amenable number.

349205 is a deficient number, since it is larger than the sum of its proper divisors (73099).

349205 is a wasteful number, since it uses less digits than its factorization.

349205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 349205 is about 590.9356987016. The cubic root of 349205 is about 70.4195887509.

The spelling of 349205 in words is "three hundred forty-nine thousand, two hundred five".