343690899 has 4 divisors (see below), whose sum is σ = 458254536. Its totient is φ = 229127264.

The previous prime is 343690883. The next prime is 343690903. The reversal of 343690899 is 998096343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343690899 - 2⁴ = 343690883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343690859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57281814 + ... + 57281819.

It is an arithmetic number, because the mean of its divisors is an integer number (114563634).

Almost surely, 2^343690899 is an apocalyptic number.

343690899 is a deficient number, since it is larger than the sum of its proper divisors (114563637).

343690899 is a wasteful number, since it uses less digits than its factorization.

343690899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114563636.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 343690899 is about 18538.9023137833. The cubic root of 343690899 is about 700.4696841019.

The spelling of 343690899 in words is "three hundred forty-three million, six hundred ninety thousand, eight hundred ninety-nine".