343258389 has 12 divisors (see below), whose sum is σ = 521913600. Its totient is φ = 216794664.

The previous prime is 343258367. The next prime is 343258393. The reversal of 343258389 is 983852343.

343258389 is a `hidden beast` number, since 34 + 32 + 583 + 8 + 9 = 666.

It is not a de Polignac number, because 343258389 - 2¹⁵ = 343225621 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343258589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003509 + ... + 1003850.

It is an arithmetic number, because the mean of its divisors is an integer number (43492800).

Almost surely, 2^343258389 is an apocalyptic number.

It is an amenable number.

343258389 is a deficient number, since it is larger than the sum of its proper divisors (178655211).

343258389 is a wasteful number, since it uses less digits than its factorization.

343258389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007384 (or 2007381 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 343258389 is about 18527.2337114854. The cubic root of 343258389 is about 700.1757307101.

The spelling of 343258389 in words is "three hundred forty-three million, two hundred fifty-eight thousand, three hundred eighty-nine".