343663663 has 8 divisors (see below), whose sum is σ = 392878080. Its totient is φ = 294479160.

The previous prime is 343663657. The next prime is 343663669. The reversal of 343663663 is 366366343.

It is an interprime number because it is at equal distance from previous prime (343663657) and next prime (343663669).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343663663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343663669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29058 + ... + 39136.

It is an arithmetic number, because the mean of its divisors is an integer number (49109760).

Almost surely, 2^343663663 is an apocalyptic number.

343663663 is a deficient number, since it is larger than the sum of its proper divisors (49214417).

343663663 is a wasteful number, since it uses less digits than its factorization.

343663663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14957.

The product of its digits is 419904, while the sum is 40.

The square root of 343663663 is about 18538.1677357823. The cubic root of 343663663 is about 700.4511805605.

The spelling of 343663663 in words is "three hundred forty-three million, six hundred sixty-three thousand, six hundred sixty-three".