349216 has 24 divisors (see below), whose sum is σ = 786240. Its totient is φ = 149568.

The previous prime is 349211. The next prime is 349241. The reversal of 349216 is 612943.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (349211) 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, 556 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2³⁴⁹²¹⁶ is an apocalyptic number.

It is an amenable number.

349216 is an abundant number, since it is smaller than the sum of its proper divisors (437024).

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

349216 is a wasteful number, since it uses less digits than its factorization.

349216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1568 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 349216 is about 590.9450059016. The cubic root of 349216 is about 70.4203281517.

It can be divided in two parts, 349 and 216, that added together give a palindrome (565).

The spelling of 349216 in words is "three hundred forty-nine thousand, two hundred sixteen".