349865 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 277552.

The previous prime is 349849. The next prime is 349871. The reversal of 349865 is 568943.

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

It is a cyclic number.

It is not a de Polignac number, because 349865 - 2⁴ = 349849 is a prime.

It is a d-powerful number, because it can be written as 3³ + 4⁸ + 8³ + 9³ + 6⁷ + 5⁵ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2³⁴⁹⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

349865 is a deficient number, since it is larger than the sum of its proper divisors (73495).

349865 is a wasteful number, since it uses less digits than its factorization.

349865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 25920, while the sum is 35.

The square root of 349865 is about 591.4938714814. The cubic root of 349865 is about 70.4639253428.

The spelling of 349865 in words is "three hundred forty-nine thousand, eight hundred sixty-five".