349745 has 8 divisors (see below), whose sum is σ = 457920. Its totient is φ = 254320.

The previous prime is 349729. The next prime is 349753. The reversal of 349745 is 547943.

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

It is not a de Polignac number, because 349745 - 2⁴ = 349729 is a prime.

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, 3125 + ... + 3234.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2³⁴⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

349745 is a deficient number, since it is larger than the sum of its proper divisors (108175).

349745 is a wasteful number, since it uses less digits than its factorization.

349745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375.

The product of its digits is 15120, while the sum is 32.

The square root of 349745 is about 591.3924247063. The cubic root of 349745 is about 70.4558682941.

It can be divided in two parts, 34 and 9745, that added together give a palindrome (9779).

The spelling of 349745 in words is "three hundred forty-nine thousand, seven hundred forty-five".