349518 has 16 divisors (see below), whose sum is σ = 752976. Its totient is φ = 107520.

The previous prime is 349507. The next prime is 349519. The reversal of 349518 is 815943.

349518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (47061).

2³⁴⁹⁵¹⁸ is an apocalyptic number.

349518 is an abundant number, since it is smaller than the sum of its proper divisors (403458).

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

349518 is a wasteful number, since it uses less digits than its factorization.

349518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its digits is 4320, while the sum is 30.

The square root of 349518 is about 591.2004736128. The cubic root of 349518 is about 70.4406220018.

The spelling of 349518 in words is "three hundred forty-nine thousand, five hundred eighteen".