349340 has 12 divisors (see below), whose sum is σ = 733656. Its totient is φ = 139728.

The previous prime is 349337. The next prime is 349343. The reversal of 349340 is 43943.

It is an interprime number because it is at equal distance from previous prime (349337) and next prime (349343).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (61138).

2³⁴⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

349340 is an abundant number, since it is smaller than the sum of its proper divisors (384316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349340 is a wasteful number, since it uses less digits than its factorization.

349340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17476 (or 17474 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 349340 is about 591.0499132899. The cubic root of 349340 is about 70.4286621411.

The spelling of 349340 in words is "three hundred forty-nine thousand, three hundred forty".