343648375 has 16 divisors (see below), whose sum is σ = 490142016. Its totient is φ = 235644000.

The previous prime is 343648339. The next prime is 343648379. The reversal of 343648375 is 573846343.

It is not a de Polignac number, because 343648375 - 2¹³ = 343640183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343648379) 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 15 ways as a sum of consecutive naturals, for example, 195496 + ... + 197245.

It is an arithmetic number, because the mean of its divisors is an integer number (30633876).

Almost surely, 2^343648375 is an apocalyptic number.

343648375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

343648375 is a deficient number, since it is larger than the sum of its proper divisors (146493641).

343648375 is an equidigital number, since it uses as much as digits as its factorization.

343648375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392763 (or 392753 counting only the distinct ones).

The product of its digits is 725760, while the sum is 43.

The square root of 343648375 is about 18537.7553927114. The cubic root of 343648375 is about 700.4407938001.

The spelling of 343648375 in words is "three hundred forty-three million, six hundred forty-eight thousand, three hundred seventy-five".