343408859 has 4 divisors (see below), whose sum is σ = 344446680. Its totient is φ = 342371040.

The previous prime is 343408847. The next prime is 343408861. The reversal of 343408859 is 958804343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958804343 = 7 ⋅136972049.

It is a cyclic number.

It is not a de Polignac number, because 343408859 - 2⁴ = 343408843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343408759) 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, 518414 + ... + 519075.

It is an arithmetic number, because the mean of its divisors is an integer number (86111670).

Almost surely, 2^343408859 is an apocalyptic number.

343408859 is a deficient number, since it is larger than the sum of its proper divisors (1037821).

343408859 is a wasteful number, since it uses less digits than its factorization.

343408859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037820.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 343408859 is about 18531.2940454789. The cubic root of 343408859 is about 700.2780249340.

The spelling of 343408859 in words is "three hundred forty-three million, four hundred eight thousand, eight hundred fifty-nine".