349286 has 16 divisors (see below), whose sum is σ = 610080. Its totient is φ = 146880.

The previous prime is 349241. The next prime is 349291. The reversal of 349286 is 682943.

349286 = 294² + 295² + ... + 297².

It is a congruent number.

It is an unprimeable number.

349286 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 in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (38130).

2³⁴⁹²⁸⁶ is an apocalyptic number.

349286 is a deficient number, since it is larger than the sum of its proper divisors (260794).

349286 is a wasteful number, since it uses less digits than its factorization.

349286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 10368, while the sum is 32.

The square root of 349286 is about 591.0042301033. The cubic root of 349286 is about 70.4250330656.

The spelling of 349286 in words is "three hundred forty-nine thousand, two hundred eighty-six".