343011393 has 6 divisors (see below), whose sum is σ = 495460914. Its totient is φ = 228674256.

The previous prime is 343011377. The next prime is 343011433. The reversal of 343011393 is 393110343.

It can be written as a sum of positive squares in only one way, i.e., 192016449 + 150994944 = 13857^2 + 12288^2 .

It is not a de Polignac number, because 343011393 - 2⁴ = 343011377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343011343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19056180 + ... + 19056197.

It is an arithmetic number, because the mean of its divisors is an integer number (82576819).

Almost surely, 2^343011393 is an apocalyptic number.

It is an amenable number.

343011393 is a deficient number, since it is larger than the sum of its proper divisors (152449521).

343011393 is a wasteful number, since it uses less digits than its factorization.

343011393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38112383 (or 38112380 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 343011393 is about 18520.5667569867. The cubic root of 343011393 is about 700.0077502543.

The spelling of 343011393 in words is "three hundred forty-three million, eleven thousand, three hundred ninety-three".