347138 has 16 divisors (see below), whose sum is σ = 587520. Its totient is φ = 152400.

The previous prime is 347131. The next prime is 347141. The reversal of 347138 is 831743.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347138.

It is not an unprimeable number, because it can be changed into a prime (347131) 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, 428 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2³⁴⁷¹³⁸ is an apocalyptic number.

347138 is a deficient number, since it is larger than the sum of its proper divisors (240382).

347138 is a wasteful number, since it uses less digits than its factorization.

347138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 2016, while the sum is 26.

The square root of 347138 is about 589.1841817293. The cubic root of 347138 is about 70.2803721204.

The spelling of 347138 in words is "three hundred forty-seven thousand, one hundred thirty-eight".