343398455 has 4 divisors (see below), whose sum is σ = 412078152. Its totient is φ = 274718760.

The previous prime is 343398413. The next prime is 343398469. The reversal of 343398455 is 554893343.

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

It is a de Polignac number, because none of the positive numbers 2^k-343398455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 34339841 + ... + 34339850.

It is an arithmetic number, because the mean of its divisors is an integer number (103019538).

Almost surely, 2^343398455 is an apocalyptic number.

343398455 is a deficient number, since it is larger than the sum of its proper divisors (68679697).

343398455 is an equidigital number, since it uses as much as digits as its factorization.

343398455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68679696.

The product of its digits is 777600, while the sum is 44.

The square root of 343398455 is about 18531.0133290114. The cubic root of 343398455 is about 700.2709529303.

The spelling of 343398455 in words is "three hundred forty-three million, three hundred ninety-eight thousand, four hundred fifty-five".