348689 has 4 divisors (see below), whose sum is σ = 380400. Its totient is φ = 316980.

The previous prime is 348671. The next prime is 348709. The reversal of 348689 is 986843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348689 - 2⁸ = 348433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (348629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15839 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (95100).

2³⁴⁸⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

348689 is a deficient number, since it is larger than the sum of its proper divisors (31711).

348689 is a wasteful number, since it uses less digits than its factorization.

348689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31710.

The product of its digits is 41472, while the sum is 38.

The square root of 348689 is about 590.4989415740. The cubic root of 348689 is about 70.3848866705.

The spelling of 348689 in words is "three hundred forty-eight thousand, six hundred eighty-nine".