349005 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 182208.

The previous prime is 348991. The next prime is 349007. The reversal of 349005 is 500943.

It is not a de Polignac number, because 349005 - 2⁴ = 348989 is a prime.

349005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2³⁴⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

349005 is a deficient number, since it is larger than the sum of its proper divisors (221235).

349005 is a wasteful number, since it uses less digits than its factorization.

349005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 349005 is about 590.7664513156. The cubic root of 349005 is about 70.4061423919.

Adding to 349005 its reverse (500943), we get a palindrome (849948).

The spelling of 349005 in words is "three hundred forty-nine thousand, five".