343728847 has 8 divisors (see below), whose sum is σ = 428545152. Its totient is φ = 267840600.

The previous prime is 343728817. The next prime is 343728857. The reversal of 343728847 is 748827343.

It is a happy number.

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-343728847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343728797 and 343728806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343728817) 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, 2231929 + ... + 2232082.

It is an arithmetic number, because the mean of its divisors is an integer number (53568144).

Almost surely, 2^343728847 is an apocalyptic number.

343728847 is a deficient number, since it is larger than the sum of its proper divisors (84816305).

343728847 is a wasteful number, since it uses less digits than its factorization.

343728847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464029.

The product of its digits is 903168, while the sum is 46.

The square root of 343728847 is about 18539.9257549754. The cubic root of 343728847 is about 700.4954635114.

The spelling of 343728847 in words is "three hundred forty-three million, seven hundred twenty-eight thousand, eight hundred forty-seven".