343869 has 8 divisors (see below), whose sum is σ = 464352. Its totient is φ = 226320.

The previous prime is 343831. The next prime is 343891. The reversal of 343869 is 968343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343869 - 2¹¹ = 341821 is a prime.

It is a super-2 number, since 2×343869² = 236491778322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (58044).

2³⁴³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

343869 is a deficient number, since it is larger than the sum of its proper divisors (120483).

343869 is a wasteful number, since it uses less digits than its factorization.

343869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 15552, while the sum is 33.

The square root of 343869 is about 586.4034447375. The cubic root of 343869 is about 70.0590657927.

The spelling of 343869 in words is "three hundred forty-three thousand, eight hundred sixty-nine".