349912 has 16 divisors (see below), whose sum is σ = 662400. Its totient is φ = 173280.

The previous prime is 349907. The next prime is 349913. The reversal of 349912 is 219943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349913) 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, 1414 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2³⁴⁹⁹¹² is an apocalyptic number.

It is an amenable number.

349912 is a deficient number, since it is larger than the sum of its proper divisors (312488).

349912 is a wasteful number, since it uses less digits than its factorization.

349912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 349912 is about 591.5336000600. The cubic root of 349912 is about 70.4670805181.

The spelling of 349912 in words is "three hundred forty-nine thousand, nine hundred twelve".