343730393 has 4 divisors (see below), whose sum is σ = 343796388. Its totient is φ = 343664400.

The previous prime is 343730389. The next prime is 343730479. The reversal of 343730393 is 393037343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 208426969 + 135303424 = 14437^2 + 11632^2 .

It is a cyclic number.

It is not a de Polignac number, because 343730393 - 2² = 343730389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343730353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24446 + ... + 35847.

It is an arithmetic number, because the mean of its divisors is an integer number (85949097).

Almost surely, 2^343730393 is an apocalyptic number.

It is an amenable number.

343730393 is a deficient number, since it is larger than the sum of its proper divisors (65995).

343730393 is an equidigital number, since it uses as much as digits as its factorization.

343730393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65994.

The product of its (nonzero) digits is 61236, while the sum is 35.

The square root of 343730393 is about 18539.9674487309. The cubic root of 343730393 is about 700.4965137233.

The spelling of 343730393 in words is "three hundred forty-three million, seven hundred thirty thousand, three hundred ninety-three".