343094399 has 4 divisors (see below), whose sum is σ = 343134480. Its totient is φ = 343054320.

The previous prime is 343094359. The next prime is 343094431. The reversal of 343094399 is 993490343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 343094399 - 2²⁴ = 326317183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343094309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454 + ... + 26235.

It is an arithmetic number, because the mean of its divisors is an integer number (85783620).

Almost surely, 2^343094399 is an apocalyptic number.

343094399 is a deficient number, since it is larger than the sum of its proper divisors (40081).

343094399 is a wasteful number, since it uses less digits than its factorization.

343094399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 343094399 is about 18522.8075355762. The cubic root of 343094399 is about 700.0642111165.

The spelling of 343094399 in words is "three hundred forty-three million, ninety-four thousand, three hundred ninety-nine".