343388869 has 8 divisors (see below), whose sum is σ = 349525440. Its totient is φ = 337282176.

The previous prime is 343388863. The next prime is 343388879. The reversal of 343388869 is 968883343.

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

It is a cyclic number.

It is not a de Polignac number, because 343388869 - 2¹⁹ = 342864581 is a prime.

It is a super-2 number, since 2×343388869² = 235831830706198322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343388863) 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, 16392 + ... + 30910.

It is an arithmetic number, because the mean of its divisors is an integer number (43690680).

Almost surely, 2^343388869 is an apocalyptic number.

It is an amenable number.

343388869 is a deficient number, since it is larger than the sum of its proper divisors (6136571).

343388869 is a wasteful number, since it uses less digits than its factorization.

343388869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939.

The product of its digits is 2985984, while the sum is 52.

The square root of 343388869 is about 18530.7546797210. The cubic root of 343388869 is about 700.2644368266.

The spelling of 343388869 in words is "three hundred forty-three million, three hundred eighty-eight thousand, eight hundred sixty-nine".