343886399 has 8 divisors (see below), whose sum is σ = 353526768. Its totient is φ = 334264320.

The previous prime is 343886383. The next prime is 343886407. The reversal of 343886399 is 993688343.

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 343886399 - 2⁴ = 343886383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343886399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343886099) 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, 39359 + ... + 47295.

It is an arithmetic number, because the mean of its divisors is an integer number (44190846).

Almost surely, 2^343886399 is an apocalyptic number.

343886399 is a deficient number, since it is larger than the sum of its proper divisors (9640369).

343886399 is a wasteful number, since it uses less digits than its factorization.

343886399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145.

The product of its digits is 3359232, while the sum is 53.

The square root of 343886399 is about 18544.1742603978. The cubic root of 343886399 is about 700.6024738329.

The spelling of 343886399 in words is "three hundred forty-three million, eight hundred eighty-six thousand, three hundred ninety-nine".