343859649 has 8 divisors (see below), whose sum is σ = 523976640. Its totient is φ = 196491216.

The previous prime is 343859639. The next prime is 343859669. The reversal of 343859649 is 946958343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343859649 - 2⁷ = 343859521 is a prime.

It is a super-3 number, since 3×343859649³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343859639) 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, 8187114 + ... + 8187155.

It is an arithmetic number, because the mean of its divisors is an integer number (65497080).

Almost surely, 2^343859649 is an apocalyptic number.

It is an amenable number.

343859649 is a deficient number, since it is larger than the sum of its proper divisors (180116991).

343859649 is a wasteful number, since it uses less digits than its factorization.

343859649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16374279.

The product of its digits is 2799360, while the sum is 51.

The square root of 343859649 is about 18543.4529955993. The cubic root of 343859649 is about 700.5843073665.

The spelling of 343859649 in words is "three hundred forty-three million, eight hundred fifty-nine thousand, six hundred forty-nine".