349012 has 6 divisors (see below), whose sum is σ = 610778. Its totient is φ = 174504.

The previous prime is 349007. The next prime is 349039. The reversal of 349012 is 210943.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 104976 = 494^2 + 324^2 .

It is a super-2 number, since 2×349012² = 243618752288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

349012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43623 + ... + 43630.

2³⁴⁹⁰¹² is an apocalyptic number.

It is an amenable number.

349012 is a deficient number, since it is larger than the sum of its proper divisors (261766).

349012 is a wasteful number, since it uses less digits than its factorization.

349012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87257 (or 87255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 349012 is about 590.7723757929. The cubic root of 349012 is about 70.4066131012.

Adding to 349012 its reverse (210943), we get a palindrome (559955).

The spelling of 349012 in words is "three hundred forty-nine thousand, twelve".