343927 has 4 divisors (see below), whose sum is σ = 364176. Its totient is φ = 323680.

The previous prime is 343913. The next prime is 343933. The reversal of 343927 is 729343.

343927 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 343927 - 2⁷ = 343799 is a prime.

It is a Duffinian number.

343927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 343895 and 343904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343997) 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, 10099 + ... + 10132.

It is an arithmetic number, because the mean of its divisors is an integer number (91044).

2³⁴³⁹²⁷ is an apocalyptic number.

343927 is a deficient number, since it is larger than the sum of its proper divisors (20249).

343927 is a wasteful number, since it uses less digits than its factorization.

343927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248.

The product of its digits is 4536, while the sum is 28.

The square root of 343927 is about 586.4528966592. The cubic root of 343927 is about 70.0630044994.

The spelling of 343927 in words is "three hundred forty-three thousand, nine hundred twenty-seven".