349540 has 12 divisors (see below), whose sum is σ = 734076. Its totient is φ = 139808.

The previous prime is 349529. The next prime is 349553. The reversal of 349540 is 45943.

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 278784 = 266^2 + 528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8719 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (61173).

2³⁴⁹⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

349540 is an abundant number, since it is smaller than the sum of its proper divisors (384536).

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

349540 is a wasteful number, since it uses less digits than its factorization.

349540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486 (or 17484 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 349540 is about 591.2190795297. The cubic root of 349540 is about 70.4420999049.

The spelling of 349540 in words is "three hundred forty-nine thousand, five hundred forty".